Script started on 2024-09-22 00:59:19+00:00 [TERM="xterm-256color" TTY="/dev/pts/0" COLUMNS="-1" LINES="-1"]
P;HTML|
; (set_option_value prolog false)
P;HTML|
; (set_option_value compat auto)
P;HTML|
; (set_option_value compatio true)
P;HTML|
; (is_cmd_option prescan halt --halt=true true)
P;HTML|
; (set_option_value halt true)
P;HTML|
; (is_cmd_option prescan stdin --stdin=tty tty)
P;HTML|
; (set_option_value stdin tty)
P;HTML|
; (is_cmd_option prescan stdout --stdout=tty tty)
P;HTML|
; (set_option_value stdout tty)
P;HTML|
; (is_cmd_option prescan stderr --stderr=tty tty)
P;HTML|
; (set_option_value stderr tty)
P;HTML|
; (set_option_value prolog false)
P;HTML|
; (set_option_value compat auto)
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; (set_option_value compatio true)
P;HTML|
; (is_cmd_option execute python --python=enable enable)
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; (set_option_value python enable)
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; (is_cmd_option execute timeout --timeout=40 40)
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; (set_option_value timeout 40)
P;HTML|
; (is_cmd_option execute output --output=./reports/tests_output/baseline-compat-2024-09-22T00:36:13/ ./reports/tests_output/baseline-compat-2024-09-22T00:36:13/)
P;HTML|
; (set_option_value output ./reports/tests_output/baseline-compat-2024-09-22T00:36:13/)
P;HTML|
; (is_cmd_option execute html --html true)
P;HTML|
; (set_option_value html true)
P;HTML|
; (is_cmd_option execute test --test true)
P;HTML|
; (set_option_value test true)
; (load_metta_file &self tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta)
P;HTML|
; (track_load_into_file /home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta)
P;HTML|
; (load_answer_file /home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers /home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta)
P;HTML|
; (= 1 "timeout: failed to run command 'time': No such file or directory")
P;HTML|
; (= (error (stream_error (: 1189 (: 72 38417)) (syntax_error unexpected_end_of_file "Unexpected end of file in list")))
; (call once
; (load_metta_file_stream_fast 38417 read_metta2 /home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta &self (0x556430826d50))))
(error
(stream_error
(: 1189
(: 72 38417))
(syntax_error unexpected_end_of_file "Unexpected end of file in list")))
(error
(stream_error
(: 1189
(: 72 38417))
(syntax_error unexpected_end_of_file "Unexpected end of file in list")))
[193] call(prolog_stack:get_prolog_backtrace_lc,8000,[frame(193,clause((0x55642e31b1f0),8),_3402)|_3394],P;HTML| [ goal_depth(600)]) at /usr/lib/swi-prolog/boot/init.pl:508
[192] call(prolog_stack:call,get_prolog_backtrace_lc,8000,[frame(193,clause((0x55642e31b1f0),8),call(prolog_stack:get_prolog_backtrace_lc,8000,[frame(193,clause((0x55642e31b1f0),8),_3506)|_3498],P;HTML| [ goal_depth(600)])),frame(192,clause((0x55642e31b2a0),10),_3536)|_3528],P;HTML| [ goal_depth(600)]) at /usr/lib/swi-prolog/boot/init.pl:510
[191] once(prolog_stack:call(call,get_prolog_backtrace_lc,8000,[frame(193,clause((0x55642e31b1f0),8),call(prolog_stack:get_prolog_backtrace_lc,8000,[frame(193,clause((0x55642e31b1f0),8),_3644)|_3636],P;HTML| [ goal_depth(600)])),frame(192,clause((0x55642e31b2a0),10),call(prolog_stack:call,get_prolog_backtrace_lc,8000,[frame(193,clause((0x55642e31b1f0),8),call(...,8000,...,...)),frame(192,...,_3742)|_3734],P;HTML| [ goal_depth(600)])),frame(191,clause((0x55642e31b6c0),3),_3766)|_3758],P;HTML| [ goal_depth(600)])) at /usr/lib/swi-prolog/boot/init.pl:538
[190] setup_call_cleanup(system:'$notrace'(12,0),system:once(prolog_stack:call(call,get_prolog_backtrace_lc,8000,[frame(193,clause((0x55642e31b1f0),8),call(prolog_stack:get_prolog_backtrace_lc,8000,[frame(193,...,_3900)|_3892],P;HTML| [ goal_depth(600)])),frame(192,clause((0x55642e31b2a0),10),call(prolog_stack:call,get_prolog_backtrace_lc,8000,[...|...],P;HTML| [ ...])),frame(191,clause((0x55642e31b6c0),3),once(...)),frame(190,...,_3998)|_3990],P;HTML| [ goal_depth(600)])),system:'$restore_trace'(12,0)) at /usr/lib/swi-prolog/boot/init.pl:682
[188] logicmoo_startup:ds at /home/runner/work/metta-wam/metta-wam/src/packs/logicmoo_utils/prolog/logicmoo_startup.pl:1043
[187] logicmoo_startup:bt at /home/runner/work/metta-wam/metta-wam/src/packs/logicmoo_utils/prolog/logicmoo_startup.pl:1038
[186] catch(user:bt,_4098,user:true) at /usr/lib/swi-prolog/boot/init.pl:565
[185] ignore(user:catch(bt,_4148,true)) at /usr/lib/swi-prolog/boot/init.pl:547
[183] ugtrace(error(error(stream_error(1189:72:38417,syntax_error(unexpected_end_of_file,"Unexpected end of file in list")))),user:call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))) at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:376
[181] catch(user:call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),error(stream_error(1189:72:38417,syntax_error(unexpected_end_of_file,"Unexpected end of file in list"))),user:(fbug(error(stream_error(1189:72:38417,syntax_error(unexpected_end_of_file,"Unexpected end of file in list")))=user:call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),ugtrace(error(error(stream_error(1189:72:38417,syntax_error(unexpected_end_of_file,"Unexpected end of file in list")))),user:call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))))) at /usr/lib/swi-prolog/boot/init.pl:565
[178] ''('')
[177] setup_call_cleanup(user:nop(trace(user:load_metta_file_stream_fast/5,+fail)),user:(must_not_error(call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))))*->true;md_failed(user:once,user:load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),user:nop(trace(user:load_metta_file_stream_fast/5,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[176] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[175] catch(user:must_det_ll1(once,user:load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),md_failed(once,_4794,_4796),user:(_4824 is _4830-1,_4836>0->throw(md_failed(once,_4848,_4850));ugtrace(md_failed(once,_4868,_4870),user:load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[173] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[170] setup_call_cleanup(user:set_option_value(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),user:((must_det_ll(set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',1)),must_det_ll(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),must_det_ll(set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',0))),must_det_ll(load_metta_file_stream_fast(38417,read_metta2,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),user:set_option_value(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')) at /usr/lib/swi-prolog/boot/init.pl:682
[167] once('') at /usr/lib/swi-prolog/boot/init.pl:538
[166] call('','') at /usr/lib/swi-prolog/boot/init.pl:504
[165] catch(user:call(user:once,user:load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),_5114,user:(fbug(_5168=user:call(user:once,user:load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),ugtrace(error(_5212),user:call(user:once,user:load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))))) at /usr/lib/swi-prolog/boot/init.pl:565
[162] ''('')
[161] setup_call_cleanup(user:nop(trace(user:load_metta_file_stream/3,+fail)),user:(must_not_error(call(user:once,user:load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))))*->true;md_failed(user:once,user:load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),user:nop(trace(user:load_metta_file_stream/3,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[160] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[159] catch(user:must_det_ll1(once,user:load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),md_failed(once,_5530,_5532),user:(_5560 is _5566-1,_5572>0->throw(md_failed(once,_5584,_5586));ugtrace(md_failed(once,_5604,_5606),user:load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[157] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[155] setup_call_cleanup(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),P;HTML| [ encoding(utf8)]),user:must_det_ll(load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),user:close((0x556430826d50))) at /usr/lib/swi-prolog/boot/init.pl:682
[154] once('') at /usr/lib/swi-prolog/boot/init.pl:538
[153] call('','') at /usr/lib/swi-prolog/boot/init.pl:504
[152] catch(user:call(user:once,user:setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),P;HTML| [ encoding(utf8)]),must_det_ll(load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),close((0x556430826d50)))),_5808,user:(fbug(_5898=user:call(user:once,user:setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),...),must_det_ll(...),close((0x556430826d50))))),ugtrace(error(_5960),user:call(user:once,user:setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),P;HTML| [ ...]),must_det_ll(load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),close((0x556430826d50))))))) at /usr/lib/swi-prolog/boot/init.pl:565
[149] ''('')
[148] setup_call_cleanup(user:nop(trace(user:setup_call_cleanup/3,+fail)),user:(must_not_error(call(user:once,user:setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),P;HTML| [ ...]),must_det_ll(load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),close((0x556430826d50)))))*->true;md_failed(user:once,user:setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),P;HTML| [ encoding(utf8)]),must_det_ll(load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),close((0x556430826d50))))),user:nop(trace(user:setup_call_cleanup/3,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[147] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[146] catch(user:must_det_ll1(once,user:setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),P;HTML| [ encoding(utf8)]),must_det_ll(load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),close((0x556430826d50)))),md_failed(once,_6414,_6416),user:(_6444 is _6450-1,_6456>0->throw(md_failed(once,_6468,_6470));ugtrace(md_failed(once,_6488,_6490),user:setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),P;HTML| [ encoding(utf8)]),must_det_ll(load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),close((0x556430826d50)))),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[144] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[142] setup_call_cleanup(user:working_directory('/home/runner/work/metta-wam/metta-wam/','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book'),user:must_det_ll(setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),P;HTML| [ encoding(utf8)]),must_det_ll(load_metta_file_stream(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),close((0x556430826d50)))),user:working_directory(_6674,'/home/runner/work/metta-wam/metta-wam/')) at /usr/lib/swi-prolog/boot/init.pl:682
[139] once('') at /usr/lib/swi-prolog/boot/init.pl:538
[138] call('','') at /usr/lib/swi-prolog/boot/init.pl:504
[137] catch(user:call(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book',P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),_6752,user:(fbug(_6806=user:call(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book',P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),ugtrace(error(_6850),user:call(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book',P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))) at /usr/lib/swi-prolog/boot/init.pl:565
[134] ''('')
[133] setup_call_cleanup(user:nop(trace(user:include_metta_directory_file/3,+fail)),user:(must_not_error(call(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book',P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))*->true;md_failed(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book',P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),user:nop(trace(user:include_metta_directory_file/3,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[132] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[131] catch(user:must_det_ll1(once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book',P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),md_failed(once,_7168,_7170),user:(_7198 is _7204-1,_7210>0->throw(md_failed(once,_7222,_7224));ugtrace(md_failed(once,_7242,_7244),user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book',P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[129] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[127] include_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_loader.pl:396
[126] call('') at /usr/lib/swi-prolog/boot/init.pl:502
[125] setup_call_cleanup(user:nb_setval('$circular_goals',P;HTML|[
include_metta1('&self', 'tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),
load_metta1('&self', 'tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')]),user:call(include_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),user:(nb_current('$circular_goals',_7436),select(include_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),_7448,_7450),nb_setval('$circular_goals',_7462))) at /usr/lib/swi-prolog/boot/init.pl:682
[121] once('') at /usr/lib/swi-prolog/boot/init.pl:538
[120] call('','') at /usr/lib/swi-prolog/boot/init.pl:504
[119] catch(user:call(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),_7538,user:(fbug(_7590=user:call(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),ugtrace(error(_7632),user:call(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))) at /usr/lib/swi-prolog/boot/init.pl:565
[116] ''('')
[115] setup_call_cleanup(user:nop(trace(user:include_metta/2,+fail)),user:(must_not_error(call(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))*->true;md_failed(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),user:nop(trace(user:include_metta/2,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[114] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[113] catch(user:must_det_ll1(once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),md_failed(once,_7942,_7944),user:(_7972 is _7978-1,_7984>0->throw(md_failed(once,_7996,_7998));ugtrace(md_failed(once,_8016,_8018),user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[111] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[109] catch(user:must_det_ll(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),_8086,prolog_statistics:(report(time{cpu:4.091590965,inferences:24381978,wall:1726966763.8564174},10),throw(_8142))) at /usr/lib/swi-prolog/boot/init.pl:565
[108] call_cleanup(prolog_statistics:catch(user:must_det_ll(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),_8180,(report(time{cpu:4.091590965,inferences:24381978,wall:1726966763.8564174},10),throw(_8230))),prolog_statistics:(_8240=true)) at /usr/lib/swi-prolog/boot/init.pl:685
[107] prolog_statistics:time('') at /usr/lib/swi-prolog/library/statistics.pl:287
[106] setup_call_cleanup(user:set_option_value(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),user:time(must_det_ll(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),user:set_option_value(loading_file,[])) at /usr/lib/swi-prolog/boot/init.pl:682
[104] once('') at /usr/lib/swi-prolog/boot/init.pl:538
[103] call('','') at /usr/lib/swi-prolog/boot/init.pl:504
[102] catch(user:call(user:once,user:with_option(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(must_det_ll(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))),_8218,user:(fbug(_8286=user:call(user:once,user:with_option(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(...)))),ugtrace(error(_8334),user:call(user:once,user:with_option(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(must_det_ll(...))))))) at /usr/lib/swi-prolog/boot/init.pl:565
[99] ''('')
[98] setup_call_cleanup(user:nop(trace(user:with_option/3,+fail)),user:(must_not_error(call(user:once,user:with_option(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(must_det_ll(...)))))*->true;md_failed(user:once,user:with_option(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(must_det_ll(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))),user:nop(trace(user:with_option/3,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[97] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[96] catch(user:must_det_ll1(once,user:with_option(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(must_det_ll(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))),md_failed(once,_8696,_8698),user:(_8726 is _8732-1,_8738>0->throw(md_failed(once,_8750,_8752));ugtrace(md_failed(once,_8770,_8772),user:with_option(loading_file,P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(must_det_ll(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[94] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[92] track_load_into_file0(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','') at /home/runner/work/metta-wam/metta-wam/library/genome/flybase_loader.pl:1010
[91] once('') at /usr/lib/swi-prolog/boot/init.pl:538
[90] call('','') at /usr/lib/swi-prolog/boot/init.pl:504
[89] catch(user:call(user:once,user:track_load_into_file0(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),_8932,user:(fbug(_8990=user:call(user:once,user:track_load_into_file0(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),ugtrace(error(_9038),user:call(user:once,user:track_load_into_file0(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))) at /usr/lib/swi-prolog/boot/init.pl:565
[86] ''('')
[85] setup_call_cleanup(user:nop(trace(user:track_load_into_file0/2,+fail)),user:(must_not_error(call(user:once,user:track_load_into_file0(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))*->true;md_failed(user:once,user:track_load_into_file0(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),user:nop(trace(user:track_load_into_file0/2,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[84] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[83] catch(user:must_det_ll1(once,user:track_load_into_file0(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),md_failed(once,_9372,_9374),user:(_9402 is _9408-1,_9414>0->throw(md_failed(once,_9426,_9428));ugtrace(md_failed(once,_9446,_9448),user:track_load_into_file0(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[81] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[79] track_load_into_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','') at /home/runner/work/metta-wam/metta-wam/library/genome/flybase_loader.pl:1007
[78] once('') at /usr/lib/swi-prolog/boot/init.pl:538
[77] call('','') at /usr/lib/swi-prolog/boot/init.pl:504
[76] catch(user:call(user:once,user:track_load_into_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),_9598,user:(fbug(_9656=user:call(user:once,user:track_load_into_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),ugtrace(error(_9704),user:call(user:once,user:track_load_into_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))) at /usr/lib/swi-prolog/boot/init.pl:565
[73] ''('')
[72] setup_call_cleanup(user:nop(trace(user:track_load_into_file/2,+fail)),user:(must_not_error(call(user:once,user:track_load_into_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))*->true;md_failed(user:once,user:track_load_into_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),user:nop(trace(user:track_load_into_file/2,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[71] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[70] catch(user:must_det_ll1(once,user:track_load_into_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),md_failed(once,_10038,_10040),user:(_10068 is _10074-1,_10080>0->throw(md_failed(once,_10092,_10094));ugtrace(md_failed(once,_10112,_10114),user:track_load_into_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[68] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[66] locally_each:wtl_how('','','','','') at /home/runner/work/metta-wam/metta-wam/src/packs/logicmoo_utils/prolog/logicmoo/redo_locally.pl:217
[62] call('') at /usr/lib/swi-prolog/boot/init.pl:502
[61] setup_call_cleanup(user:nb_setval('$circular_goals',P;HTML| [ load_metta1('&self', 'tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')]),user:call(load_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),user:(nb_current('$circular_goals',_10310),select(load_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),_10322,_10324),nb_setval('$circular_goals',_10336))) at /usr/lib/swi-prolog/boot/init.pl:682
[56] catch(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),_10362,user:(always_rethrow(_10398)->throw(_10402);pp_m('red',user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')in _10414))) at /usr/lib/swi-prolog/boot/init.pl:565
[53] once('') at /usr/lib/swi-prolog/boot/init.pl:538
[52] call('','') at /usr/lib/swi-prolog/boot/init.pl:504
[51] catch(user:call(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),_10502,user:(fbug(_10564=user:call(user:once,user:catch_red(user:...))),ugtrace(error(_10610),user:call(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))) at /usr/lib/swi-prolog/boot/init.pl:565
[48] ''('')
[47] setup_call_cleanup(user:nop(trace(user:catch_red/1,+fail)),user:(must_not_error(call(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))*->true;md_failed(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),user:nop(trace(user:catch_red/1,-fail))) at /usr/lib/swi-prolog/boot/init.pl:682
[46] must_det_ll1('','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:304
[45] catch(user:must_det_ll1(once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),md_failed(once,_10960,_10962),user:(_10990 is _10996-1,_11002>0->throw(md_failed(once,_11014,_11016));ugtrace(md_failed(once,_11034,_11036),user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),throw('$aborted'))) at /usr/lib/swi-prolog/boot/init.pl:565
[43] md(once,'') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_utils.pl:294
[41] ''('')
[40] catch(user:(must_det_ll(not_compatio((nl,write('; '),write_src(user:...),nl))),must_det_ll(catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),!,must_det_ll(flush_output)),'$aborted',user:fbug(aborted(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),(must_det_ll(not_compatio((nl,write('; '),...,nl))),must_det_ll(catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),!,must_det_ll(flush_output))))) at /usr/lib/swi-prolog/boot/init.pl:565
[37] cmdline_load_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_interp.pl:732
[35] ignore('') at /usr/lib/swi-prolog/boot/init.pl:547
[33] cmdline_load_metta(execute,'&self',P;HTML|[
'tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '--halt=true', '--stdin=tty', '--stdout=tty',
'--stderr=tty']) at /home/runner/work/metta-wam/metta-wam/src/canary/metta_interp.pl:702
[26] do_cmdline_load_metta(execute,'&self','') at /home/runner/work/metta-wam/metta-wam/src/canary/metta_interp.pl:668
[23] catch(user:run_cmd_args,_11500,user:(always_rethrow(_11530)->throw(_11534);pp_m('red',run_cmd_args in _11546))) at /usr/lib/swi-prolog/boot/init.pl:565
[20] if_or_else('',true) at /home/runner/work/metta-wam/metta-wam/src/canary/metta_interp.pl:1486
[18] apply:maplist_('',user:catch_red_ignore) at /usr/lib/swi-prolog/library/apply.pl:226
[10] ignore('') at /usr/lib/swi-prolog/boot/init.pl:547
[9] do_loon at /home/runner/work/metta-wam/metta-wam/src/canary/metta_interp.pl:1654
[7] catch(user:loon(main),_11680,'$toplevel':true) at /usr/lib/swi-prolog/boot/init.pl:565
[6] catch_with_backtrace('','','') at /usr/lib/swi-prolog/boot/init.pl:645
Note: some frames are missing due to last-call optimization.
Re-run your program in debug mode (:- debug.) to get more detail.
(0)$P;HTML|[system]P;HTML| system:'$c_call_prolog'. P;HTML| no(clause).
(1)$P;HTML|[$toplevel]P;HTML| '$toplevel':'$initialise'. % toplevel.pl:556:
(2)$P;HTML|[system]P;HTML| system:catch('$toplevel':initialise_prolog,A,'$toplevel':initialise_error(A)). % init.pl:564:
(5)<*>$P;HTML|[$toplevel]P;HTML| '$toplevel':run_init_goal('',@(user:loon(main),'/home/runner/work/metta-wam/metta-wam/src/canary/metta_interp.pl':1851)). % toplevel.pl:740:
(6)$P;HTML|[system]P;HTML| system:catch_with_backtrace('','',''). % init.pl:644:
(7)$P;HTML|[system]P;HTML| system:catch(user:loon(main),A,'$toplevel':true). % init.pl:564:
(9)$P;HTML|[user]P;HTML| do_loon. % metta_interp.pl:1653:
(10)<*>$P;HTML|[system]P;HTML| system:ignore(''). % init.pl:546:
(18)$P;HTML|[apply]P;HTML| apply:maplist_('',user:catch_red_ignore). % apply.pl:225:
(20)<*>$P;HTML|[user]P;HTML| if_or_else('',true). % metta_interp.pl:1486:
(23)$P;HTML|[system]P;HTML| system:catch(user:run_cmd_args,A,user:(always_rethrow(A)->throw(A);pp_m(red,run_cmd_args in A))). % init.pl:564:
(26)$P;HTML|[user]P;HTML| do_cmdline_load_metta(execute,'&self',''). % metta_interp.pl:665:
(33)<*>$P;HTML|[user]P;HTML| cmdline_load_metta(execute,'&self',['tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','--halt=true','--stdin=tty','--stdout=tty','--stderr=tty']). % metta_interp.pl:701:
(35)<*>$P;HTML|[system]P;HTML| system:ignore(''). % init.pl:546:
(37)$P;HTML|[user]P;HTML| cmdline_load_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'). % metta_interp.pl:732:
(40)$P;HTML|[system]#P;HTML| system:catch(user:(not_compatio((nl,write('; '),write_src(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),nl)),catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),!,flush_output),'$aborted',user:fbug(aborted(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),(not_compatio((nl,write('; '),write_src(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),nl)),catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),!,flush_output)))). % init.pl:564:
(41)$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(43)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(45)$P;HTML|[system]P;HTML| system:catch(user:must_det_ll1(once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),throw('$aborted'))). % init.pl:564:
(46)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(47)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:catch_red/1,+fail)),user:(call(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))*->true;md_failed(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),user:nop(trace(user:catch_red/1,-fail))). % init.pl:680:
(48)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(51)$P;HTML|[system]P;HTML| system:catch(user:call(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),A,user:(fbug(A=user:call(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),ugtrace(error(A),user:call(user:once,user:catch_red(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))). % init.pl:564:
(52)$P;HTML|[system]P;HTML| system:call('',''). % init.pl:503:
(53)$P;HTML|[system]P;HTML| system:once(''). % init.pl:537:
(56)$P;HTML|[system]P;HTML| system:catch(user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),A,user:(always_rethrow(A)->throw(A);pp_m(red,user:load_metta_file('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')in A))). % init.pl:564:
(61)$P;HTML|[system]P;HTML| system:setup_call_cleanup(user:nb_setval('$circular_goals',[load_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')]),user:call(load_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),user:(nb_current('$circular_goals',A),select(load_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),A,B),nb_setval('$circular_goals',B))). % init.pl:680:
(62)$P;HTML|[system]P;HTML| system:call(''). % init.pl:501:
(66)$P;HTML|[locally_each]P;HTML| locally_each:wtl_how('','','','',''). % redo_locally.pl:217:
(68)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(70)$P;HTML|[system]P;HTML| system:catch(user:must_det_ll1(once,user:track_load_into_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:track_load_into_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),throw('$aborted'))). % init.pl:564:
(71)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(72)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:track_load_into_file/2,+fail)),user:(call(user:once,user:track_load_into_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))*->true;md_failed(user:once,user:track_load_into_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),user:nop(trace(user:track_load_into_file/2,-fail))). % init.pl:680:
(73)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(76)$P;HTML|[system]P;HTML| system:catch(user:call(user:once,user:track_load_into_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),A,user:(fbug(A=user:call(user:once,user:track_load_into_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),ugtrace(error(A),user:call(user:once,user:track_load_into_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))). % init.pl:564:
(77)$P;HTML|[system]P;HTML| system:call('',''). % init.pl:503:
(78)$P;HTML|[system]P;HTML| system:once(''). % init.pl:537:
(79)$P;HTML|[user]P;HTML| track_load_into_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',''). % flybase_loader.pl:1005:
(81)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(83)$P;HTML|[system]P;HTML| system:catch(user:must_det_ll1(once,user:track_load_into_file0('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:track_load_into_file0('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),throw('$aborted'))). % init.pl:564:
(84)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(85)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:track_load_into_file0/2,+fail)),user:(call(user:once,user:track_load_into_file0('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))*->true;md_failed(user:once,user:track_load_into_file0('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),user:nop(trace(user:track_load_into_file0/2,-fail))). % init.pl:680:
(86)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(89)$P;HTML|[system]P;HTML| system:catch(user:call(user:once,user:track_load_into_file0('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),A,user:(fbug(A=user:call(user:once,user:track_load_into_file0('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),ugtrace(error(A),user:call(user:once,user:track_load_into_file0('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))). % init.pl:564:
(90)$P;HTML|[system]P;HTML| system:call('',''). % init.pl:503:
(91)$P;HTML|[system]P;HTML| system:once(''). % init.pl:537:
(92)$P;HTML|[user]P;HTML| track_load_into_file0('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',''). % flybase_loader.pl:1010:
(94)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(96)$P;HTML|[system]#P;HTML| system:catch(user:must_det_ll1(once,user:with_option(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:with_option(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),throw('$aborted'))). % init.pl:564:
(97)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(98)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:with_option/3,+fail)),user:(call(user:once,user:with_option(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))*->true;md_failed(user:once,user:with_option(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))),user:nop(trace(user:with_option/3,-fail))). % init.pl:680:
(99)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(102)$P;HTML|[system]#P;HTML| system:catch(user:call(user:once,user:with_option(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))),A,user:(fbug(A=user:call(user:once,user:with_option(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))),ugtrace(error(A),user:call(user:once,user:with_option(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',time(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))))). % init.pl:564:
(103)$P;HTML|[system]P;HTML| system:call('',''). % init.pl:503:
(104)$P;HTML|[system]P;HTML| system:once(''). % init.pl:537:
(106)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:set_option_value(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),user:time(include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),user:set_option_value(loading_file,[])). % init.pl:680:
(107)<*>$P;HTML|[prolog_statistics]P;HTML| prolog_statistics:time(''). % statistics.pl:285:
(108)$P;HTML|[system]#P;HTML| system:call_cleanup(prolog_statistics:catch(user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),A,(report(time{cpu:4.091590965,inferences:24381978,wall:1726966763.8564174},10),throw(A))),prolog_statistics:(B=true)). % init.pl:684:
(109)$P;HTML|[system]#P;HTML| system:catch(user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),A,prolog_statistics:(report(time{cpu:4.091590965,inferences:24381978,wall:1726966763.8564174},10),throw(A))). % init.pl:564:
(111)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(113)$P;HTML|[system]P;HTML| system:catch(user:must_det_ll1(once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),throw('$aborted'))). % init.pl:564:
(114)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(115)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:include_metta/2,+fail)),user:(call(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))*->true;md_failed(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),user:nop(trace(user:include_metta/2,-fail))). % init.pl:680:
(116)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(119)$P;HTML|[system]P;HTML| system:catch(user:call(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),A,user:(fbug(A=user:call(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),ugtrace(error(A),user:call(user:once,user:include_metta('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))). % init.pl:564:
(120)$P;HTML|[system]P;HTML| system:call('',''). % init.pl:503:
(121)$P;HTML|[system]P;HTML| system:once(''). % init.pl:537:
(125)$P;HTML|[system]P;HTML| system:setup_call_cleanup(user:nb_setval('$circular_goals',[include_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),load_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')]),user:call(include_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),user:(nb_current('$circular_goals',A),select(include_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),A,B),nb_setval('$circular_goals',B))). % init.pl:680:
(126)$P;HTML|[system]P;HTML| system:call(''). % init.pl:501:
(127)$P;HTML|[user]P;HTML| include_metta1('&self','tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'). % metta_loader.pl:396:
(129)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(131)$P;HTML|[system]P;HTML| system:catch(user:must_det_ll1(once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),throw('$aborted'))). % init.pl:564:
(132)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(133)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:include_metta_directory_file/3,+fail)),user:(call(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))*->true;md_failed(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),user:nop(trace(user:include_metta_directory_file/3,-fail))). % init.pl:680:
(134)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(137)$P;HTML|[system]P;HTML| system:catch(user:call(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')),A,user:(fbug(A=user:call(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))),ugtrace(error(A),user:call(user:once,user:include_metta_directory_file('&self','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))). % init.pl:564:
(138)$P;HTML|[system]P;HTML| system:call('',''). % init.pl:503:
(139)$P;HTML|[system]P;HTML| system:once(''). % init.pl:537:
(142)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:working_directory('/home/runner/work/metta-wam/metta-wam/','/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book'),user:setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),close((0x556430826d50))),user:working_directory(A,'/home/runner/work/metta-wam/metta-wam/')). % init.pl:680:
(144)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(146)$P;HTML|[system]#P;HTML| system:catch(user:must_det_ll1(once,user:setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),close((0x556430826d50)))),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),close((0x556430826d50)))),throw('$aborted'))). % init.pl:564:
(147)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(148)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:scc/3,+fail)),user:(call(user:once,user:setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),close((0x556430826d50))))*->true;md_failed(user:once,user:setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),close((0x556430826d50))))),user:nop(trace(user:scc/3,-fail))). % init.pl:680:
(149)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(152)$P;HTML|[system]#P;HTML| system:catch(user:call(user:once,user:setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),close((0x556430826d50)))),A,user:(fbug(A=user:call(user:once,user:setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),close((0x556430826d50))))),ugtrace(error(A),user:call(user:once,user:setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),close((0x556430826d50))))))). % init.pl:564:
(153)$P;HTML|[system]P;HTML| system:call('',''). % init.pl:503:
(154)$P;HTML|[system]P;HTML| system:once(''). % init.pl:537:
(155)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:open('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',read,(0x556430826d50),[encoding(utf8)]),user:load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)),user:close((0x556430826d50))). % init.pl:680:
(157)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(159)$P;HTML|[system]P;HTML| system:catch(user:must_det_ll1(once,user:load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),throw('$aborted'))). % init.pl:564:
(160)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(161)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:load_metta_file_stream/3,+fail)),user:(call(user:once,user:load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))*->true;md_failed(user:once,user:load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),user:nop(trace(user:load_metta_file_stream/3,-fail))). % init.pl:680:
(162)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(165)$P;HTML|[system]P;HTML| system:catch(user:call(user:once,user:load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),A,user:(fbug(A=user:call(user:once,user:load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),ugtrace(error(A),user:call(user:once,user:load_metta_file_stream('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))))). % init.pl:564:
(166)$P;HTML|[system]P;HTML| system:call('',''). % init.pl:503:
(167)$P;HTML|[system]P;HTML| system:once(''). % init.pl:537:
(170)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:set_option_value(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),user:((set_exec_num('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',1),load_answer_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'),set_exec_num('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta',0)),load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),user:set_option_value(loading_file,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')). % init.pl:680:
(173)$P;HTML|[user]P;HTML| md(once,''). % metta_utils.pl:293:
(175)$P;HTML|[system]P;HTML| system:catch(user:must_det_ll1(once,user:load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),md_failed(once,A,B),user:(C is B-1,C>0->throw(md_failed(once,A,C));ugtrace(md_failed(once,A,C),user:load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),throw('$aborted'))). % init.pl:564:
(176)$P;HTML|[user]P;HTML| must_det_ll1('',''). % metta_utils.pl:302:
(177)$P;HTML|[system]#P;HTML| system:setup_call_cleanup(user:nop(trace(user:load_metta_file_stream_fast/5,+fail)),user:(call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))*->true;md_failed(user:once,user:load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),user:nop(trace(user:load_metta_file_stream_fast/5,-fail))). % init.pl:680:
(178)<*>$P;HTML|[user]P;HTML| system:''(''). P;HTML| no(clause).
(181)$P;HTML|[system]P;HTML| system:catch(user:call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50))),error(stream_error(1189:72:38417,syntax_error(unexpected_end_of_file,"Unexpected end of file in list"))),user:(fbug(error(stream_error(1189:72:38417,syntax_error(unexpected_end_of_file,"Unexpected end of file in list")))=user:call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))),ugtrace(error(error(stream_error(1189:72:38417,syntax_error(unexpected_end_of_file,"Unexpected end of file in list")))),user:call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))))). % init.pl:564:
(183)$P;HTML|[user]P;HTML| ugtrace(error(error(stream_error(1189:72:38417,syntax_error(unexpected_end_of_file,"Unexpected end of file in list")))),user:call(user:once,user:load_metta_file_stream_fast(38417,read_metta2,'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta','&self',(0x556430826d50)))). % metta_utils.pl:376:
(185)<*>$P;HTML|[system]P;HTML| system:ignore(user:catch(bt,A,true)). % init.pl:546:
(186)$P;HTML|[system]P;HTML| system:catch(user:bt,A,user:true). % init.pl:564:
(190)$P;HTML|[user]P;HTML| bugger:dumpST_now(2035,[max_depth(5000),numbervars(true),show([level,has_alternatives,hidden,context_module,goal,clause])]). % dumpst.pl:261:
(error
(stream_error
(: 1189
(: 72 38417))
(syntax_error unexpected_end_of_file "Unexpected end of file in list")))
(error
(stream_error
(: 1189
(: 72 38417))
(syntax_error unexpected_end_of_file "Unexpected end of file in list")))
^ Exit: (187) [system] sig_atomic(rtrace:restart_rtrace)
^ Call: (188) [user] call(user:once, user:load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50)))
^ Unify: (188) [system] call(user:once, user:load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50)))
^ Call: (189) [user] once(user:load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50)))
^ Unify: (189) [system] once(user:load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50)))
^ Call: (190) [user] load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50))
^ Unify: (190) [user] load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50))
Call: (191) [system] fail
^ Redo: (190) [user] load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50))
^ Unify: (190) [user] load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50))
^ Call: (191) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', _238990)
^ Unify: (191) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', _238990)
Call: (192) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', _238990)
Exit: (192) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.buffer~')
^ Exit: (191) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.buffer~')
Call: (191) [system] exists_file('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.buffer~')
^ Redo: (190) [user] load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50))
^ Unify: (190) [user] load_metta_file_stream_fast(38417, read_metta2, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '&self', (0x556430826d50))
^ Call: (191) [user] if_t(use_fast_buffer, (symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', _273768), fbugio(creating(_273768)), write_bf(_273768, (:-dynamic metta_file_buffer/5)), write_bf(_273768, (:-multifile metta_file_buffer/5))))
^ Unify: (191) [user] if_t(use_fast_buffer, (symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', _273768), fbugio(creating(_273768)), write_bf(_273768, (:-dynamic metta_file_buffer/5)), write_bf(_273768, (:-multifile metta_file_buffer/5))))
^ Call: (192) [user] use_fast_buffer
^ Unify: (192) [user] use_fast_buffer
Call: (193) [system] nb_current(may_use_fast_buffer, t)
^ Fail: (192) [user] use_fast_buffer
^ Redo: (191) [user] if_t(use_fast_buffer, (symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', _273768), fbugio(creating(_273768)), write_bf(_273768, (:-dynamic metta_file_buffer/5)), write_bf(_273768, (:-multifile metta_file_buffer/5))))
^ Exit: (191) [user] if_t(use_fast_buffer, (symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.buffer~', _273768), fbugio(creating(_273768)), write_bf(_273768, (:-dynamic metta_file_buffer/5)), write_bf(_273768, (:-multifile metta_file_buffer/5))))
Call: (191) [system] repeat
Exit: (191) [system] repeat
^ Call: (191) [user] my_line_count((0x556430826d50), _298650)
^ Unify: (191) [user] my_line_count((0x556430826d50), seek($, 0, current, _299588))
Call: (192) [system] stream_property((0x556430826d50), reposition(true))
Unify: (192) [system] stream_property((0x556430826d50), reposition(true))
Call: (193) [system] nonvar((0x556430826d50))
Exit: (193) [system] nonvar((0x556430826d50))
Call: (193) [system] nonvar(reposition(true))
Exit: (193) [system] nonvar(reposition(true))
Exit: (192) [system] stream_property((0x556430826d50), reposition(true))
Call: (192) [system] seek((0x556430826d50), 0, current, _299588)
Exit: (192) [system] seek((0x556430826d50), 0, current, 38417)
Call: (192) [system] fail
^ Redo: (191) [user] my_line_count((0x556430826d50), _298650)
^ Unify: (191) [user] my_line_count((0x556430826d50), _298650)
Call: (192) [system] stream_property((0x556430826d50), position(_298650))
Unify: (192) [system] stream_property((0x556430826d50), position(_298650))
Call: (193) [system] nonvar((0x556430826d50))
Exit: (193) [system] nonvar((0x556430826d50))
Call: (193) [system] nonvar(position(_298650))
Exit: (193) [system] nonvar(position(_298650))
Exit: (192) [system] stream_property((0x556430826d50), position('$stream_position'(38417, 1189, 72, 38417)))
^ Exit: (191) [user] my_line_count((0x556430826d50), '$stream_position'(38417, 1189, 72, 38417))
Call: (191) [user] current_read_mode(file, _319068)
Unify: (191) [user] current_read_mode(file, _319068)
Call: (192) [system] nb_current(file_mode, _319068)
Redo: (191) [user] current_read_mode(file, _319068)
Call: (192) [system] _319068=(+)
Exit: (192) [system] (+)=(+)
Exit: (191) [user] current_read_mode(file, +)
^ Call: (191) [user] read_metta2((0x556430826d50), _325518)
^ Unify: (191) [user] read_metta2((0x556430826d50), _325518)
^ Call: (192) [user] clause(t_l:s_reader_info(_325518), _327464, _327386)
^ Redo: (191) [user] read_metta2((0x556430826d50), _325518)
^ Unify: (191) [user] read_metta2((0x556430826d50), _325518)
^ Call: (192) [user] use_new_parse_sexpr_metta_IO((0x556430826d50))
^ Unify: (192) [user] use_new_parse_sexpr_metta_IO((0x556430826d50))
Call: (193) [system] string((0x556430826d50))
^ Redo: (192) [user] use_new_parse_sexpr_metta_IO((0x556430826d50))
^ Exit: (192) [user] use_new_parse_sexpr_metta_IO((0x556430826d50))
^ Call: (192) [user] new_parse_sexpr_metta_IO((0x556430826d50), _325518)
^ Unify: (192) [user] new_parse_sexpr_metta_IO((0x556430826d50), _325518)
^ Call: (193) [user] new_parse_sexpr_metta_IO1((0x556430826d50), _325518)
^ Unify: (193) [user] new_parse_sexpr_metta_IO1((0x556430826d50), _325518)
Call: (194) [system] at_end_of_stream((0x556430826d50))
Exit: (194) [system] at_end_of_stream((0x556430826d50))
Call: (194) [system] _325518=end_of_file
Exit: (194) [system] end_of_file=end_of_file
^ Exit: (193) [user] new_parse_sexpr_metta_IO1((0x556430826d50), end_of_file)
Call: (193) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x556430826d50), end_of_file)))
Unify: (193) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x556430826d50), end_of_file)))
Exit: (193) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x556430826d50), end_of_file)))
^ Exit: (192) [user] new_parse_sexpr_metta_IO((0x556430826d50), end_of_file)
^ Exit: (191) [user] read_metta2((0x556430826d50), end_of_file)
^ Call: (191) [user] subst_vars(end_of_file, _347748, [], _347750)
^ Unify: (191) [user] subst_vars(end_of_file, end_of_file, [], [])
Call: (192) [system] var(end_of_file)
^ Redo: (191) [user] subst_vars(end_of_file, _347748, [], _347750)
^ Unify: (191) [user] subst_vars(end_of_file, _347748, [], _347750)
Call: (192) [system] atom(end_of_file)
Exit: (192) [system] atom(end_of_file)
^ Call: (192) [user] symbol_concat($, _354268, end_of_file)
^ Unify: (192) [user] symbol_concat($, _354268, end_of_file)
Call: (193) [system] atom_concat($, _354268, end_of_file)
Fail: (193) [system] atom_concat($, _354268, end_of_file)
^ Fail: (192) [user] symbol_concat($, _354268, end_of_file)
^ Redo: (191) [user] subst_vars(end_of_file, _347748, [], _347750)
^ Unify: (191) [user] subst_vars(end_of_file, _347748, [], _347750)
Call: (192) [system] compound(end_of_file)
^ Redo: (191) [user] subst_vars(end_of_file, _347748, [], _347750)
^ Unify: (191) [user] subst_vars(end_of_file, end_of_file, [], [])
^ Exit: (191) [user] subst_vars(end_of_file, end_of_file, [], [])
Call: (191) [system] _364534=metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417))
Exit: (191) [system] metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417))=metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417))
^ Call: (191) [user] assertz(metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417)))
^ Exit: (191) [user] assertz(metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417)))
^ Call: (191) [user] if_t(use_fast_buffer, write_bf(_273768, metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417))))
^ Unify: (191) [user] if_t(use_fast_buffer, write_bf(_273768, metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417))))
^ Call: (192) [user] use_fast_buffer
^ Unify: (192) [user] use_fast_buffer
Call: (193) [system] nb_current(may_use_fast_buffer, t)
^ Fail: (192) [user] use_fast_buffer
^ Redo: (191) [user] if_t(use_fast_buffer, write_bf(_273768, metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417))))
^ Exit: (191) [user] if_t(use_fast_buffer, write_bf(_273768, metta_file_buffer(+, end_of_file, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(38417, 1189, 72, 38417))))
Call: (191) [system] flush_output
Exit: (191) [system] flush_output
Call: (191) [system] at_end_of_stream((0x556430826d50))
Exit: (191) [system] at_end_of_stream((0x556430826d50))
^ Call: (191) [user] load_metta_buffer('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Unify: (191) [user] load_metta_buffer('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (192) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
^ Unify: (192) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
Call: (193) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _433750)
Unify: (193) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _433750)
Call: (194) [system] atomic(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (194) [system] atomic(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (193) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (193) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _461788))
^ Exit: (193) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 0))
^ Call: (193) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (193) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (192) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
^ Call: (192) [user] load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Unify: (192) [user] load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (193) [system] atom(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (193) [system] atom(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (193) [system] is_absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (193) [system] is_absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (193) [system] exists_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (193) [system] exists_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Unify: (192) [user] load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (193) [user] load_answer_file_now(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Unify: (193) [user] load_answer_file_now(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (194) [user] ignore((ensure_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', answers, _18910), remove_specific_extension(_18910, answers, _18924), set_exec_num(_18924, 1), fbug(load_answer_file(_18910, _18924)), load_answer_file(_18910, _18924)))
^ Unify: (194) [system] ignore(user:(ensure_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', answers, _18910), remove_specific_extension(_18910, answers, _18924), set_exec_num(_18924, 1), fbug(load_answer_file(_18910, _18924)), load_answer_file(_18910, _18924)))
^ Call: (196) [user] ensure_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', answers, _18910)
^ Unify: (196) [user] ensure_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', answers, _18910)
Call: (197) [system] file_name_extension(_38366, _38290, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (197) [system] file_name_extension('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3', metta, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (197) [system] metta=answers
Fail: (197) [system] metta=answers
^ Redo: (196) [user] ensure_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', answers, _18910)
Call: (197) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.', _54644)
Exit: (197) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '.', '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.')
Call: (197) [system] atom_concat('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.', answers, _18910)
Exit: (197) [system] atom_concat('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.', answers, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers')
^ Exit: (196) [user] ensure_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', answers, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers')
^ Call: (196) [user] remove_specific_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', answers, _18924)
^ Unify: (196) [user] remove_specific_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', answers, _18924)
Call: (197) [system] file_name_extension(_18924, _88486, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers')
Exit: (197) [system] file_name_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', answers, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers')
Call: (197) [system] answers=answers
Exit: (197) [system] answers=answers
^ Exit: (196) [user] remove_specific_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', answers, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (196) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
^ Unify: (196) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
Call: (197) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _122308)
Unify: (197) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _122308)
Call: (198) [system] atomic(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (198) [system] atomic(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (197) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (197) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _150346))
^ Exit: (197) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Call: (197) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (197) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (196) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
Call: (196) [user] fbug(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
Unify: (196) [user] fbug(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (197) [user] is_compatio
^ Unify: (197) [user] is_compatio
^ Call: (199) [system] setup_call_cleanup('$notrace'(_193774, _193776), once(user:is_compatio0), '$restore_trace'(_193774, _193776))
^ Unify: (199) [system] setup_call_cleanup(system:'$notrace'(_193774, _193776), system:once(user:is_compatio0), system:'$restore_trace'(_193774, _193776))
^ Call: (200) [system] sig_atomic(system:'$notrace'(_193774, _193776))
Redo: (196) [user] fbug(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
Unify: (196) [user] fbug(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (197) [user] real_notrace(in_cmt(color_g_mesg('#2f2f2f', write_src(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))
^ Unify: (197) [user] real_notrace(user:in_cmt(color_g_mesg('#2f2f2f', write_src(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))
^ Call: (198) [user] setup_call_cleanup('$notrace'(_231522, _231524), once(user:in_cmt(color_g_mesg('#2f2f2f', write_src(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))), '$restore_trace'(_231522, _231524))
^ Unify: (198) [system] setup_call_cleanup(user:'$notrace'(_231522, _231524), user:once(user:in_cmt(color_g_mesg('#2f2f2f', write_src(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))), user:'$restore_trace'(_231522, _231524))
^ Call: (199) [system] sig_atomic(user:'$notrace'(_231522, _231524))
P;HTML|
; (load_answer_file /home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers /home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta)
^ Exit: (198) [system] setup_call_cleanup(user:'$notrace'(3, -1), user:once(user:in_cmt(color_g_mesg('#2f2f2f', write_src(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))), user:'$restore_trace'(3, -1))
^ Exit: (197) [user] real_notrace(user:in_cmt(color_g_mesg('#2f2f2f', write_src(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))))
Exit: (196) [user] fbug(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (196) [user] load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Unify: (196) [user] load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (197) [user] file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _332860, _332862)
^ Fail: (197) [user] file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _337692, _337694)
^ Redo: (196) [user] load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (197) [system] exists_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers')
Exit: (197) [system] exists_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers')
^ Call: (197) [user] setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', read, _360842, [encoding(utf8)]), load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _360842), close(_360842))
^ Unify: (197) [system] setup_call_cleanup(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', read, _360842, [encoding(utf8)]), user:load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _360842), user:close(_360842))
^ Call: (198) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', read, _360842, [encoding(utf8)]))
Call: (200) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', read, _360842, [encoding(utf8)])
Exit: (200) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', read, (0x55643092f8b0), [encoding(utf8)])
^ Exit: (198) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', read, (0x55643092f8b0), [encoding(utf8)]))
^ Call: (198) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0))
^ Unify: (198) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0))
Call: (199) [system] at_end_of_stream((0x55643092f8b0))
Fail: (199) [system] at_end_of_stream((0x55643092f8b0))
^ Redo: (198) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0))
^ Unify: (198) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0))
Call: (199) [read_util] read_util:read_line_to_string((0x55643092f8b0), _418894)
Unify: (199) [read_util] read_util:read_line_to_string((0x55643092f8b0), _418894)
Call: (200) [system] read_string((0x55643092f8b0), '\n', '\r', _420752, _420754)
Exit: (200) [system] read_string((0x55643092f8b0), '\n', '\r', 10, "timeout: failed to run command 'time': No such file or directory")
Call: (200) [system] 10\== -1
Exit: (200) [system] 10\== -1
Call: (200) [system] _418894="timeout: failed to run command 'time': No such file or directory"
Exit: (200) [system] "timeout: failed to run command 'time': No such file or directory"="timeout: failed to run command 'time': No such file or directory"
Exit: (199) [read_util] read_util:read_line_to_string((0x55643092f8b0), "timeout: failed to run command 'time': No such file or directory")
^ Call: (199) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', "timeout: failed to run command 'time': No such file or directory", (0x55643092f8b0))
^ Unify: (199) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', "timeout: failed to run command 'time': No such file or directory", (0x55643092f8b0))
Call: (200) [user] fbug(1="timeout: failed to run command 'time': No such file or directory")
Unify: (200) [user] fbug(1="timeout: failed to run command 'time': No such file or directory")
^ Call: (201) [user] is_compatio
^ Unify: (201) [user] is_compatio
^ Call: (203) [system] setup_call_cleanup('$notrace'(_440640, _440642), once(user:is_compatio0), '$restore_trace'(_440640, _440642))
^ Unify: (203) [system] setup_call_cleanup(system:'$notrace'(_440640, _440642), system:once(user:is_compatio0), system:'$restore_trace'(_440640, _440642))
^ Call: (204) [system] sig_atomic(system:'$notrace'(_440640, _440642))
Redo: (200) [user] fbug(1="timeout: failed to run command 'time': No such file or directory")
Unify: (200) [user] fbug(1="timeout: failed to run command 'time': No such file or directory")
^ Call: (201) [user] real_notrace(in_cmt(color_g_mesg('#2f2f2f', write_src(1="timeout: failed to run command 'time': No such file or directory"))))
^ Unify: (201) [user] real_notrace(user:in_cmt(color_g_mesg('#2f2f2f', write_src(1="timeout: failed to run command 'time': No such file or directory"))))
^ Call: (202) [user] setup_call_cleanup('$notrace'(_447172, _447174), once(user:in_cmt(color_g_mesg('#2f2f2f', write_src(1="timeout: failed to run command 'time': No such file or directory")))), '$restore_trace'(_447172, _447174))
^ Unify: (202) [system] setup_call_cleanup(user:'$notrace'(_447172, _447174), user:once(user:in_cmt(color_g_mesg('#2f2f2f', write_src(1="timeout: failed to run command 'time': No such file or directory")))), user:'$restore_trace'(_447172, _447174))
^ Call: (203) [system] sig_atomic(user:'$notrace'(_447172, _447174))
P;HTML|
; (= 1 "timeout: failed to run command 'time': No such file or directory")
^ Exit: (202) [system] setup_call_cleanup(user:'$notrace'(3, -1), user:once(user:in_cmt(color_g_mesg('#2f2f2f', write_src(1="timeout: failed to run command 'time': No such file or directory")))), user:'$restore_trace'(3, -1))
^ Exit: (201) [user] real_notrace(user:in_cmt(color_g_mesg('#2f2f2f', write_src(1="timeout: failed to run command 'time': No such file or directory"))))
Exit: (200) [user] fbug(1="timeout: failed to run command 'time': No such file or directory")
^ Call: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
^ Unify: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
Call: (201) [system] string_concat("[(Error (assert", _475048, "timeout: failed to run command 'time': No such file or directory")
Fail: (201) [system] string_concat("[(Error (assert", _475980, "timeout: failed to run command 'time': No such file or directory")
^ Redo: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
^ Unify: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
Call: (201) [system] string_concat("Expected: [", _478700, "timeout: failed to run command 'time': No such file or directory")
Fail: (201) [system] string_concat("Expected: [", _478700, "timeout: failed to run command 'time': No such file or directory")
^ Redo: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
^ Unify: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
Call: (201) [system] string_concat("Got: [", _482428, "timeout: failed to run command 'time': No such file or directory")
Fail: (201) [system] string_concat("Got: [", _482428, "timeout: failed to run command 'time': No such file or directory")
^ Redo: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
^ Unify: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
Call: (201) [system] string_concat("[", _486156, "timeout: failed to run command 'time': No such file or directory")
Fail: (201) [system] string_concat("[", _486156, "timeout: failed to run command 'time': No such file or directory")
^ Fail: (200) [user] parse_answer_string("timeout: failed to run command 'time': No such file or directory", _473104)
^ Redo: (199) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', "timeout: failed to run command 'time': No such file or directory", (0x55643092f8b0))
^ Unify: (199) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', "timeout: failed to run command 'time': No such file or directory", (0x55643092f8b0))
^ Call: (200) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0))
^ Unify: (200) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0))
Call: (201) [system] at_end_of_stream((0x55643092f8b0))
Exit: (201) [system] at_end_of_stream((0x55643092f8b0))
^ Call: (201) [user] if_trace(answers, prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _510146, _510148))))
^ Unify: (201) [user] if_trace(answers, prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _510146, _510148))))
^ Call: (203) [system] setup_call_cleanup('$notrace'(_519856, _519858), once(user:real_notrace(catch_err(ignore((is_debugging(answers), prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3540, _3542))))), _3554, fbug((_3554-->if_trace(answers, prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3540, _3542))))))))), '$restore_trace'(_3596, _3598))
^ Unify: (203) [system] setup_call_cleanup(system:'$notrace'(_3596, _3598), system:once(user:real_notrace(catch_err(ignore((is_debugging(answers), prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3540, _3542))))), _3554, fbug((_3554-->if_trace(answers, prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3540, _3542))))))))), system:'$restore_trace'(_3596, _3598))
^ Call: (204) [system] sig_atomic(system:'$notrace'(_3596, _3598))
^ Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:real_notrace(catch_err(ignore((is_debugging(answers), prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3540, _3542))))), _3554, fbug((_3554-->if_trace(answers, prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3540, _3542))))))))), system:'$restore_trace'(3, -1))
^ Exit: (201) [user] if_trace(answers, prolog_only(listing(file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3540, _3542))))
^ Exit: (200) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0))
^ Exit: (199) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', "timeout: failed to run command 'time': No such file or directory", (0x55643092f8b0))
^ Exit: (198) [user] load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0))
Call: (199) [system] close((0x55643092f8b0))
Exit: (199) [system] close((0x55643092f8b0))
^ Exit: (197) [system] setup_call_cleanup(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', read, (0x55643092f8b0), [encoding(utf8)]), user:load_answer_stream(1, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', (0x55643092f8b0)), user:close((0x55643092f8b0)))
^ Call: (197) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
^ Unify: (197) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
Call: (198) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _66908)
Unify: (198) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _66908)
Call: (199) [system] atomic(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (199) [system] atomic(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (198) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (198) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _94946))
^ Exit: (198) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Call: (198) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (198) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (197) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
^ Exit: (196) [user] load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Exit: (194) [system] ignore(user:(ensure_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', answers, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers'), remove_specific_extension(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', answers, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1), fbug(load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta.answers', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))
^ Exit: (193) [user] load_answer_file_now(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Exit: (192) [user] load_answer_file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (192) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 0)
^ Unify: (192) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 0)
Call: (193) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _183184)
Unify: (193) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _183184)
Call: (194) [system] atomic(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (194) [system] atomic(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (193) [$syspreds] absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (193) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _211222))
^ Exit: (193) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Call: (193) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 0))
^ Exit: (193) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 0))
^ Exit: (192) [user] set_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 0)
^ Call: (192) [user] pfcAdd_Now(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Unify: (192) [user] pfcAdd_Now(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (193) [user] current_predicate(pfcAdd/1)
^ Exit: (193) [user] current_predicate(pfcAdd/1)
^ Call: (193) [user] once_writeq_nl(pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))
^ Unify: (193) [user] once_writeq_nl(pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))
^ Call: (194) [user] clause(pfcTraceExecution, true)
^ Fail: (194) [user] clause(pfcTraceExecution, true)
^ Redo: (193) [user] once_writeq_nl(pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))
^ Exit: (193) [user] once_writeq_nl(pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')))
^ Call: (193) [user] pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Unify: (193) [user] pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (194) [user] must_ex(current_why_UU(_277722))
^ Unify: (194) [user] must_ex(current_why_UU(_277722))
Call: (196) [user] current_why_UU(_277722)
Unify: (196) [user] current_why_UU(_277722)
^ Call: (197) [user] get_why_uu(_277722)
^ Unify: (197) [user] get_why_uu(_277722)
^ Call: (198) [user] findall(_283262, current_why(_283262), _283268)
^ Unify: (198) [$bags] findall(_283262, user:current_why(_283262), _283268)
^ Call: (199) [$bags] findall(_283262, user:current_why(_283262), _283268, [])
^ Unify: (199) [$bags] findall(_283262, user:current_why(_283262), _283268, [])
^ Call: (200) [$bags] cleanup_bag(findall_loop(_283262, user:current_why(_283262), _283268, []), '$destroy_findall_bag')
^ Unify: (200) [$bags] cleanup_bag('$bags':findall_loop(_283262, user:current_why(_283262), _283268, []), '$bags':'$destroy_findall_bag')
Call: (201) [$bags] findall_loop(_283262, user:current_why(_283262), _283268, [])
Unify: (201) [$bags] findall_loop(_283262, user:current_why(_283262), _283268, [])
^ Call: (202) [user] bugger:current_why(_283262)
^ Unify: (202) [user] bugger:current_why(_283262)
^ Call: (203) [user] bugger:current_why_data(_283262)
^ Unify: (203) [user] bugger:current_why_data(_283262)
Call: (204) [system] nb_current('$current_why', wp(_283262, _294522))
Fail: (204) [system] nb_current('$current_why', wp(_283262, _294522))
^ Redo: (203) [user] bugger:current_why_data(_283262)
^ Unify: (203) [user] bugger:current_why_data(_283262)
Call: (204) [t_l] t_l:current_why_source(_283262)
Fail: (204) [t_l] t_l:current_why_source(_283262)
^ Fail: (203) [user] bugger:current_why_data(_283262)
^ Redo: (202) [user] bugger:current_why(_283262)
^ Unify: (202) [user] bugger:current_why(mfl4(_301950, _301952, _301954, _301956))
^ Call: (204) [system] setup_call_cleanup('$notrace'(_302906, _302908), once(user:current_mfl4(_301950, _301952, _301954, _301956)), '$restore_trace'(_302906, _302908))
^ Unify: (204) [system] setup_call_cleanup(system:'$notrace'(_302906, _302908), system:once(user:current_mfl4(_301950, _301952, _301954, _301956)), system:'$restore_trace'(_302906, _302908))
^ Call: (205) [system] sig_atomic(system:'$notrace'(_302906, _302908))
^ Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_301950, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (202) [user] bugger:current_why(P;HTML|mfl4(_301950, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (201) [$bags] findall_loop(_283262, user:current_why(_283262), _283268, [])
Exit: (201) [$bags] findall_loop(_283262, user:current_why(_283262), [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (200) [$bags] cleanup_bag('$bags':findall_loop(_283262, user:current_why(_283262), [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (199) [$bags] findall(_283262, user:current_why(_283262), [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (198) [$bags] findall(_283262, user:current_why(_283262), [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (198) [system] [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (198) [system] [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (198) [user] u_to_uu([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _277722)
^ Unify: (198) [user] u_to_uu([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (199) [system] var([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (199) [system] var([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (198) [user] u_to_uu([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _277722)
^ Unify: (198) [user] u_to_uu([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (199) [system] nonvar([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (199) [system] nonvar([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (199) [system] [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_439652, _439654)
Fail: (199) [system] [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_439652, _439654)
^ Redo: (198) [user] u_to_uu([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _277722)
^ Unify: (198) [user] u_to_uu([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _277722)
^ Call: (199) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _470086)
^ Unify: (199) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _470086)
^ Call: (200) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _470086)
^ Unify: (200) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (201) [system] var([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (201) [system] var([P;HTML|mfl4(_319768, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (200) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3446)
^ Unify: (200) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (201) [user] not(compound([P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (201) [system] not(user:compound([P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (202) [system] compound([P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (202) [system] compound([P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (201) [system] not(user:compound([P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (200) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3446)
^ Unify: (200) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3446)
^ Call: (201) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3446)
^ Unify: (201) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (202) [system] var(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (202) [system] var(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (201) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3446)
^ Unify: (201) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (202) [user] not(compound(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (202) [system] not(user:compound(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (203) [system] compound(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (203) [system] compound(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (202) [system] not(user:compound(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (201) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3446)
^ Unify: (201) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (201) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (200) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (199) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (199) [user] u_to_uu(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3400)
^ Unify: (199) [user] u_to_uu(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (200) [system] var(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (200) [system] var(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (199) [user] u_to_uu(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3400)
^ Unify: (199) [user] u_to_uu(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (200) [system] nonvar(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (200) [system] nonvar(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (200) [system] P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_313292, _313294)
Fail: (200) [system] P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_313292, _313294)
^ Redo: (199) [user] u_to_uu(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3400)
^ Unify: (199) [user] u_to_uu(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] u_to_uu(P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] u_to_uu([P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (197) [user] get_why_uu((P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (196) [user] current_why_UU((P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (194) [user] must_ex(current_why_UU((P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (194) [user] pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (194) [user] pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (195) [user] pfcPost(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (195) [user] pfcPost(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (196) [user] pfcPost_rev((P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Unify: (196) [user] pfcPost_rev((P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
Call: (197) [system] is_list(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
Fail: (197) [system] is_list(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Redo: (196) [user] pfcPost_rev((P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (197) [user] pfcPost1(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (197) [user] pfcPost1(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3426, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (198) [user] control_arg_types(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _514926)
^ Unify: (198) [user] control_arg_types(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _3416)
Call: (199) [system] fail
Fail: (199) [system] fail
^ Fail: (198) [user] control_arg_types(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _3416)
^ Redo: (197) [user] pfcPost1(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (197) [user] pfcPost1(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (198) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)))
^ Unify: (198) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)))
^ Call: (199) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)), user:each_call_cleanup)
^ Unify: (199) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)), user:each_call_cleanup)
Call: (200) [system] current_prolog_flag(occurs_check, _95890)
Exit: (200) [system] current_prolog_flag(occurs_check, true)
^ Call: (200) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (200) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (201) [system] true==true
Exit: (201) [system] true==true
^ Call: (202) [user] pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] must_ex(pfcAddSupport(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (203) [user] must_ex(pfcAddSupport(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (205) [user] pfcAddSupport(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (205) [user] pfcAddSupport(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (206) [user] assert('$spft$'(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (206) [user] assert('$spft$'(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [user] pfcAddSupport(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] must_ex(pfcAddSupport(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (203) [user] pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Unify: (203) [user] pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (204) [user] pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Unify: (204) [user] pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Call: (205) [user] is_asserted_exact(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Unify: (205) [user] is_asserted_exact(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Call: (206) [user] strip_module(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _274542, _274544)
^ Exit: (206) [user] strip_module(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), user, loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (206) [user] is_asserted_exact(user, loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Unify: (206) [user] is_asserted_exact(user, loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
Call: (207) [system] _297786=user
Exit: (207) [system] user=user
^ Call: (207) [user] clause(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true, _299656)
^ Exit: (207) [user] clause(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true, (0x5564307eaf40))
Call: (207) [$syspreds] clause_property((0x5564307eaf40), module(user))
Unify: (207) [$syspreds] clause_property((0x5564307eaf40), module(user))
Exit: (207) [$syspreds] clause_property((0x5564307eaf40), module(user))
^ Call: (207) [user] is_asserted_exact(user, loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true, (0x5564307eaf40))
^ Unify: (207) [user] is_asserted_exact(user, loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true, (0x5564307eaf40))
^ Call: (208) [user] clause(_321806, _321808, (0x5564307eaf40))
^ Exit: (208) [user] clause(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true, (0x5564307eaf40))
^ Call: (208) [user] strip_m(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _327598)
^ Unify: (208) [user] strip_m(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Exit: (208) [user] strip_m(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
Call: (208) [system] loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=@=loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (208) [system] loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=@=loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (208) [user] strip_m(true, _367340)
^ Unify: (208) [user] strip_m(true, true)
^ Exit: (208) [user] strip_m(true, true)
Call: (208) [system] cl(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)=@=cl(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
Exit: (208) [system] cl(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)=@=cl(loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Exit: (207) [user] is_asserted_exact(user, loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true, (0x5564307eaf40))
^ Exit: (206) [user] is_asserted_exact(user, loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Exit: (205) [user] is_asserted_exact(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Fail: (204) [user] pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), true)
^ Fail: (203) [user] pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Redo: (202) [user] pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (203) [user] nop(pfcWarn(not_pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))
Unify: (203) [user] nop(pfcWarn(not_pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))
Exit: (203) [user] nop(pfcWarn(not_pfcUnique(post, user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))))
^ Exit: (202) [user] pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (200) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (199) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)), user:each_call_cleanup)
^ Exit: (198) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _34168, (notrace, wdmsg((user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=>_34168)), trace)))
^ Exit: (197) [user] pfcPost1(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (196) [user] pfcPost_rev((P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Exit: (195) [user] pfcPost(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (195) [user] pfcRun
^ Unify: (195) [user] pfcRun
^ Call: (196) [user] pfcGetSearch(direct)
^ Unify: (196) [user] pfcGetSearch(direct)
Call: (197) [t_l] t_l:pfcSearchTL(_14664)
Fail: (197) [t_l] t_l:pfcSearchTL(_14664)
^ Redo: (196) [user] pfcGetSearch(direct)
^ Call: (197) [user] pfcSearch(_17438)
^ Unify: (197) [user] pfcSearch(direct)
^ Exit: (197) [user] pfcSearch(direct)
Call: (197) [system] direct=direct
Exit: (197) [system] direct=direct
^ Exit: (196) [user] pfcGetSearch(direct)
^ Unify: (195) [user] pfcRun
^ Exit: (195) [user] pfcRun
^ Exit: (194) [user] pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), (P;HTML|mfl4(_3402, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (193) [user] pfcAdd(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Exit: (192) [user] pfcAdd_Now(user:loaded_into_kb('&self', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (192) [user] forall(metta_file_buffer(_45978, _45980, _45982, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _45986), (maplist(maybe_assign, _45982), (must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _45978, '&self', _45980, _46026))->true;must_det_ll(trace), must_det_ll(pp_m(unknown_do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _45978, '&self', _45980))))))
^ Unify: (192) [$apply] forall(user:metta_file_buffer(_45978, _45980, _45982, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _45986), user:(maplist(maybe_assign, _45982), (must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _45978, '&self', _45980, _46026))->true;must_det_ll(trace), must_det_ll(pp_m(unknown_do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _45978, '&self', _45980))))))
^ Call: (193) [user] metta_file_buffer(_45978, _45980, _45982, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _45986)
^ Unify: (193) [user] metta_file_buffer(+, #, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(0, 1, 0, 0))
^ Exit: (193) [user] metta_file_buffer(+, #, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(0, 1, 0, 0))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026)
Call: (196) [system] var(#)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] # == []
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026)
Call: (196) [system] string(#)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _46026)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, #, _146238), pfcAdd_Now('next-operation'(_146238)))
^ Unify: (196) [user] if_t(into_simple_op(+, #, _146238), pfcAdd_Now('next-operation'(_146238)))
Call: (197) [user] into_simple_op(+, #, _146238)
Fail: (197) [user] into_simple_op(+, #, _146238)
^ Redo: (196) [user] if_t(into_simple_op(+, #, _146238), pfcAdd_Now('next-operation'(_146238)))
^ Exit: (196) [user] if_t(into_simple_op(+, #, _146238), pfcAdd_Now('next-operation'(_146238)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, #), _46026))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, #), _46026))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, #), _46026)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, #), _46026)
Call: (199) [system] asserted_do_metta('&self', +, #)\=[_155520|_155522]
Exit: (199) [system] asserted_do_metta('&self', +, #)\=[_155520|_155522]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, #))*->_46026='True';_46026='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, #))*->_46026='True';_46026='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, #))*->_46026='True';_46026='False'), error(_159258, _159260), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, #))*->_46026='True';_46026='False'), error(_159258, _159260), fail)
Call: (203) [user] asserted_do_metta('&self', +, #)
Unify: (203) [user] asserted_do_metta('&self', +, #)
Call: (204) [user] metta_interp_mode(+, _162974)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, #)
Unify: (204) [user] asserted_do_metta('&self', load, #)
Call: (205) [user] metta_interp_mode(load, _167564)
Redo: (204) [user] asserted_do_metta('&self', load, #)
Unify: (204) [user] asserted_do_metta('&self', load, #)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, #)
Unify: (204) [user] asserted_do_metta('&self', load, #)
Call: (205) [user] asserted_do_metta2('&self', load, #, #)
Unify: (205) [user] asserted_do_metta2('&self', load, #, #)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _176786)
Redo: (205) [user] asserted_do_metta2('&self', load, #, #)
Unify: (205) [user] asserted_do_metta2('&self', load, #, #)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_183262, _183264), once(user:is_compatio0), '$restore_trace'(_183262, _183264))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_183262, _183264), system:once(user:is_compatio0), system:'$restore_trace'(_183262, _183264))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_183262, _183264))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_188880, must_det_ll(user:metta_anew(load, #, metta_atom('&self', #)))), (_188880==""->true;our_ansi_format('#ffa505', '~w~n', [_188880]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_188880, must_det_ll(user:metta_anew(load, #, metta_atom('&self', #)))), (_188880==""->true;our_ansi_format('#ffa505', '~w~n', [_188880]))))
#
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, #, metta_atom('&self', #)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
Exit: (205) [user] asserted_do_metta2('&self', load, #, #)
Exit: (204) [user] asserted_do_metta('&self', load, #)
Exit: (203) [user] asserted_do_metta('&self', +, #)
Call: (203) [system] _46026='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, #))*->'True'='True';'True'='False'), error(_159258, _159260), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, #))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, #), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, #), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, 'True'))
^ Redo: (193) [user] metta_file_buffer(_45978, _45980, _45982, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _45986)
^ Unify: (193) [user] metta_file_buffer(+, 'In', [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1, 1, 1, 1))
^ Exit: (193) [user] metta_file_buffer(+, 'In', [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1, 1, 1, 1))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026)
Call: (196) [system] var('In')
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] 'In'==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026)
Call: (196) [system] string('In')
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', _46026)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, 'In', _290326), pfcAdd_Now('next-operation'(_290326)))
^ Unify: (196) [user] if_t(into_simple_op(+, 'In', _290326), pfcAdd_Now('next-operation'(_290326)))
Call: (197) [user] into_simple_op(+, 'In', _290326)
Fail: (197) [user] into_simple_op(+, 'In', _290326)
^ Redo: (196) [user] if_t(into_simple_op(+, 'In', _290326), pfcAdd_Now('next-operation'(_290326)))
^ Exit: (196) [user] if_t(into_simple_op(+, 'In', _290326), pfcAdd_Now('next-operation'(_290326)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, 'In'), _46026))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, 'In'), _46026))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, 'In'), _46026)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, 'In'), _46026)
Call: (199) [system] asserted_do_metta('&self', +, 'In')\=[_299608|_299610]
Exit: (199) [system] asserted_do_metta('&self', +, 'In')\=[_299608|_299610]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, 'In'))*->_46026='True';_46026='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, 'In'))*->_46026='True';_46026='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, 'In'))*->_46026='True';_46026='False'), error(_303346, _303348), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, 'In'))*->_46026='True';_46026='False'), error(_303346, _303348), fail)
Call: (203) [user] asserted_do_metta('&self', +, 'In')
Unify: (203) [user] asserted_do_metta('&self', +, 'In')
Call: (204) [user] metta_interp_mode(+, _307062)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, 'In')
Unify: (204) [user] asserted_do_metta('&self', load, 'In')
Call: (205) [user] metta_interp_mode(load, _311652)
Redo: (204) [user] asserted_do_metta('&self', load, 'In')
Unify: (204) [user] asserted_do_metta('&self', load, 'In')
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, 'In')
Unify: (204) [user] asserted_do_metta('&self', load, 'In')
Call: (205) [user] asserted_do_metta2('&self', load, 'In', 'In')
Unify: (205) [user] asserted_do_metta2('&self', load, 'In', 'In')
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _320874)
Redo: (205) [user] asserted_do_metta2('&self', load, 'In', 'In')
Unify: (205) [user] asserted_do_metta2('&self', load, 'In', 'In')
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'In', metta_atom('&self', 'In')))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'In', metta_atom('&self', 'In')))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_327350, _327352), once(user:is_compatio0), '$restore_trace'(_327350, _327352))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_327350, _327352), system:once(user:is_compatio0), system:'$restore_trace'(_327350, _327352))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_327350, _327352))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'In', metta_atom('&self', 'In')))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'In', metta_atom('&self', 'In')))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_332968, must_det_ll(user:metta_anew(load, 'In', metta_atom('&self', 'In')))), (_332968==""->true;our_ansi_format('#ffa505', '~w~n', [_332968]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_332968, must_det_ll(user:metta_anew(load, 'In', metta_atom('&self', 'In')))), (_332968==""->true;our_ansi_format('#ffa505', '~w~n', [_332968]))))
In
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, 'In', metta_atom('&self', 'In')))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'In', metta_atom('&self', 'In')))
Exit: (205) [user] asserted_do_metta2('&self', load, 'In', 'In')
Exit: (204) [user] asserted_do_metta('&self', load, 'In')
Exit: (203) [user] asserted_do_metta('&self', +, 'In')
Call: (203) [system] _46026='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, 'In'))*->'True'='True';'True'='False'), error(_303346, _303348), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, 'In'))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, 'In'), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, 'In'), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'In', 'True'))
^ Redo: (193) [user] metta_file_buffer(_45978, _45980, _45982, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _45986)
^ Unify: (193) [user] metta_file_buffer(+, this, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(4, 1, 4, 4))
^ Exit: (193) [user] metta_file_buffer(+, this, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(4, 1, 4, 4))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026)
Call: (196) [system] var(this)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] this==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026)
Call: (196) [system] string(this)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, _46026)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, this, _434414), pfcAdd_Now('next-operation'(_434414)))
^ Unify: (196) [user] if_t(into_simple_op(+, this, _434414), pfcAdd_Now('next-operation'(_434414)))
Call: (197) [user] into_simple_op(+, this, _434414)
Fail: (197) [user] into_simple_op(+, this, _434414)
^ Redo: (196) [user] if_t(into_simple_op(+, this, _434414), pfcAdd_Now('next-operation'(_434414)))
^ Exit: (196) [user] if_t(into_simple_op(+, this, _434414), pfcAdd_Now('next-operation'(_434414)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, this), _46026))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, this), _46026))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, this), _46026)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, this), _46026)
Call: (199) [system] asserted_do_metta('&self', +, this)\=[_443696|_443698]
Exit: (199) [system] asserted_do_metta('&self', +, this)\=[_443696|_443698]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, this))*->_46026='True';_46026='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, this))*->_46026='True';_46026='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, this))*->_46026='True';_46026='False'), error(_447434, _447436), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, this))*->_46026='True';_46026='False'), error(_447434, _447436), fail)
Call: (203) [user] asserted_do_metta('&self', +, this)
Unify: (203) [user] asserted_do_metta('&self', +, this)
Call: (204) [user] metta_interp_mode(+, _451150)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, this)
Unify: (204) [user] asserted_do_metta('&self', load, this)
Call: (205) [user] metta_interp_mode(load, _455740)
Redo: (204) [user] asserted_do_metta('&self', load, this)
Unify: (204) [user] asserted_do_metta('&self', load, this)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, this)
Unify: (204) [user] asserted_do_metta('&self', load, this)
Call: (205) [user] asserted_do_metta2('&self', load, this, this)
Unify: (205) [user] asserted_do_metta2('&self', load, this, this)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _464962)
Redo: (205) [user] asserted_do_metta2('&self', load, this, this)
Unify: (205) [user] asserted_do_metta2('&self', load, this, this)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, this, metta_atom('&self', this)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, this, metta_atom('&self', this)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_471438, _471440), once(user:is_compatio0), '$restore_trace'(_471438, _471440))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_471438, _471440), system:once(user:is_compatio0), system:'$restore_trace'(_471438, _471440))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_471438, _471440))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, this, metta_atom('&self', this)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, this, metta_atom('&self', this)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_477056, must_det_ll(user:metta_anew(load, this, metta_atom('&self', this)))), (_477056==""->true;our_ansi_format('#ffa505', '~w~n', [_477056]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_477056, must_det_ll(user:metta_anew(load, this, metta_atom('&self', this)))), (_477056==""->true;our_ansi_format('#ffa505', '~w~n', [_477056]))))
this
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, this, metta_atom('&self', this)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, this, metta_atom('&self', this)))
Exit: (205) [user] asserted_do_metta2('&self', load, this, this)
Exit: (204) [user] asserted_do_metta('&self', load, this)
Exit: (203) [user] asserted_do_metta('&self', +, this)
Call: (203) [system] _46026='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, this))*->'True'='True';'True'='False'), error(_447434, _447436), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, this))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, this), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, this), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', this, 'True'))
^ Redo: (193) [user] metta_file_buffer(_45978, _45980, _45982, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _45986)
^ Unify: (193) [user] metta_file_buffer(+, chapter, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(9, 1, 9, 9))
^ Exit: (193) [user] metta_file_buffer(+, chapter, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(9, 1, 9, 9))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Call: (196) [system] var(chapter)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] chapter==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Call: (196) [system] string(chapter)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, chapter, _58052), pfcAdd_Now('next-operation'(_58052)))
^ Unify: (196) [user] if_t(into_simple_op(+, chapter, _58052), pfcAdd_Now('next-operation'(_58052)))
Call: (197) [user] into_simple_op(+, chapter, _58052)
Fail: (197) [user] into_simple_op(+, chapter, _58052)
^ Redo: (196) [user] if_t(into_simple_op(+, chapter, _58052), pfcAdd_Now('next-operation'(_58052)))
^ Exit: (196) [user] if_t(into_simple_op(+, chapter, _58052), pfcAdd_Now('next-operation'(_58052)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, chapter), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, chapter), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, chapter), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, chapter), _3436)
Call: (199) [system] asserted_do_metta('&self', +, chapter)\=[_67334|_67336]
Exit: (199) [system] asserted_do_metta('&self', +, chapter)\=[_67334|_67336]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, chapter))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, chapter))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, chapter))*->_3436='True';_3436='False'), error(_71072, _71074), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, chapter))*->_3436='True';_3436='False'), error(_71072, _71074), fail)
Call: (203) [user] asserted_do_metta('&self', +, chapter)
Unify: (203) [user] asserted_do_metta('&self', +, chapter)
Call: (204) [user] metta_interp_mode(+, _74788)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, chapter)
Unify: (204) [user] asserted_do_metta('&self', load, chapter)
Call: (205) [user] metta_interp_mode(load, _79378)
Redo: (204) [user] asserted_do_metta('&self', load, chapter)
Unify: (204) [user] asserted_do_metta('&self', load, chapter)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, chapter)
Unify: (204) [user] asserted_do_metta('&self', load, chapter)
Call: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
Unify: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _88600)
Redo: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
Unify: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_95076, _95078), once(user:is_compatio0), '$restore_trace'(_95076, _95078))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_95076, _95078), system:once(user:is_compatio0), system:'$restore_trace'(_95076, _95078))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_95076, _95078))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_100694, must_det_ll(user:metta_anew(load, chapter, metta_atom('&self', chapter)))), (_100694==""->true;our_ansi_format('#ffa505', '~w~n', [_100694]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_100694, must_det_ll(user:metta_anew(load, chapter, metta_atom('&self', chapter)))), (_100694==""->true;our_ansi_format('#ffa505', '~w~n', [_100694]))))
chapter
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, chapter, metta_atom('&self', chapter)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
Exit: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
Exit: (204) [user] asserted_do_metta('&self', load, chapter)
Exit: (203) [user] asserted_do_metta('&self', +, chapter)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, chapter))*->'True'='True';'True'='False'), error(_71072, _71074), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, chapter))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, chapter), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, chapter), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, lists, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(17, 1, 17, 17))
^ Exit: (193) [user] metta_file_buffer(+, lists, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(17, 1, 17, 17))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436)
Call: (196) [system] var(lists)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] lists==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436)
Call: (196) [system] string(lists)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, lists, _202142), pfcAdd_Now('next-operation'(_202142)))
^ Unify: (196) [user] if_t(into_simple_op(+, lists, _202142), pfcAdd_Now('next-operation'(_202142)))
Call: (197) [user] into_simple_op(+, lists, _202142)
Fail: (197) [user] into_simple_op(+, lists, _202142)
^ Redo: (196) [user] if_t(into_simple_op(+, lists, _202142), pfcAdd_Now('next-operation'(_202142)))
^ Exit: (196) [user] if_t(into_simple_op(+, lists, _202142), pfcAdd_Now('next-operation'(_202142)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, lists), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, lists), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, lists), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, lists), _3436)
Call: (199) [system] asserted_do_metta('&self', +, lists)\=[_211424|_211426]
Exit: (199) [system] asserted_do_metta('&self', +, lists)\=[_211424|_211426]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, lists))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, lists))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, lists))*->_3436='True';_3436='False'), error(_215162, _215164), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, lists))*->_3436='True';_3436='False'), error(_215162, _215164), fail)
Call: (203) [user] asserted_do_metta('&self', +, lists)
Unify: (203) [user] asserted_do_metta('&self', +, lists)
Call: (204) [user] metta_interp_mode(+, _218878)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, lists)
Unify: (204) [user] asserted_do_metta('&self', load, lists)
Call: (205) [user] metta_interp_mode(load, _223468)
Redo: (204) [user] asserted_do_metta('&self', load, lists)
Unify: (204) [user] asserted_do_metta('&self', load, lists)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, lists)
Unify: (204) [user] asserted_do_metta('&self', load, lists)
Call: (205) [user] asserted_do_metta2('&self', load, lists, lists)
Unify: (205) [user] asserted_do_metta2('&self', load, lists, lists)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _232690)
Redo: (205) [user] asserted_do_metta2('&self', load, lists, lists)
Unify: (205) [user] asserted_do_metta2('&self', load, lists, lists)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, lists, metta_atom('&self', lists)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, lists, metta_atom('&self', lists)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_239166, _239168), once(user:is_compatio0), '$restore_trace'(_239166, _239168))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_239166, _239168), system:once(user:is_compatio0), system:'$restore_trace'(_239166, _239168))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_239166, _239168))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, lists, metta_atom('&self', lists)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, lists, metta_atom('&self', lists)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_244784, must_det_ll(user:metta_anew(load, lists, metta_atom('&self', lists)))), (_244784==""->true;our_ansi_format('#ffa505', '~w~n', [_244784]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_244784, must_det_ll(user:metta_anew(load, lists, metta_atom('&self', lists)))), (_244784==""->true;our_ansi_format('#ffa505', '~w~n', [_244784]))))
lists
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, lists, metta_atom('&self', lists)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, lists, metta_atom('&self', lists)))
Exit: (205) [user] asserted_do_metta2('&self', load, lists, lists)
Exit: (204) [user] asserted_do_metta('&self', load, lists)
Exit: (203) [user] asserted_do_metta('&self', +, lists)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, lists))*->'True'='True';'True'='False'), error(_215162, _215164), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, lists))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, lists), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, lists), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', lists, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, of, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(23, 1, 23, 23))
^ Exit: (193) [user] metta_file_buffer(+, of, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(23, 1, 23, 23))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436)
Call: (196) [system] var(of)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] of==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436)
Call: (196) [system] string(of)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, of, _346230), pfcAdd_Now('next-operation'(_346230)))
^ Unify: (196) [user] if_t(into_simple_op(+, of, _346230), pfcAdd_Now('next-operation'(_346230)))
Call: (197) [user] into_simple_op(+, of, _346230)
Fail: (197) [user] into_simple_op(+, of, _346230)
^ Redo: (196) [user] if_t(into_simple_op(+, of, _346230), pfcAdd_Now('next-operation'(_346230)))
^ Exit: (196) [user] if_t(into_simple_op(+, of, _346230), pfcAdd_Now('next-operation'(_346230)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, of), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, of), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, of), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, of), _3436)
Call: (199) [system] asserted_do_metta('&self', +, of)\=[_355512|_355514]
Exit: (199) [system] asserted_do_metta('&self', +, of)\=[_355512|_355514]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, of))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, of))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, of))*->_3436='True';_3436='False'), error(_359250, _359252), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, of))*->_3436='True';_3436='False'), error(_359250, _359252), fail)
Call: (203) [user] asserted_do_metta('&self', +, of)
Unify: (203) [user] asserted_do_metta('&self', +, of)
Call: (204) [user] metta_interp_mode(+, _362966)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, of)
Unify: (204) [user] asserted_do_metta('&self', load, of)
Call: (205) [user] metta_interp_mode(load, _367556)
Redo: (204) [user] asserted_do_metta('&self', load, of)
Unify: (204) [user] asserted_do_metta('&self', load, of)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, of)
Unify: (204) [user] asserted_do_metta('&self', load, of)
Call: (205) [user] asserted_do_metta2('&self', load, of, of)
Unify: (205) [user] asserted_do_metta2('&self', load, of, of)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _376778)
Redo: (205) [user] asserted_do_metta2('&self', load, of, of)
Unify: (205) [user] asserted_do_metta2('&self', load, of, of)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, of, metta_atom('&self', of)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, of, metta_atom('&self', of)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_383254, _383256), once(user:is_compatio0), '$restore_trace'(_383254, _383256))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_383254, _383256), system:once(user:is_compatio0), system:'$restore_trace'(_383254, _383256))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_383254, _383256))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, of, metta_atom('&self', of)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, of, metta_atom('&self', of)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_388872, must_det_ll(user:metta_anew(load, of, metta_atom('&self', of)))), (_388872==""->true;our_ansi_format('#ffa505', '~w~n', [_388872]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_388872, must_det_ll(user:metta_anew(load, of, metta_atom('&self', of)))), (_388872==""->true;our_ansi_format('#ffa505', '~w~n', [_388872]))))
of
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, of, metta_atom('&self', of)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, of, metta_atom('&self', of)))
Exit: (205) [user] asserted_do_metta2('&self', load, of, of)
Exit: (204) [user] asserted_do_metta('&self', load, of)
Exit: (203) [user] asserted_do_metta('&self', +, of)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, of))*->'True'='True';'True'='False'), error(_359250, _359252), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, of))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, of), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, of), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', of, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, symbols, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(26, 1, 26, 26))
^ Exit: (193) [user] metta_file_buffer(+, symbols, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(26, 1, 26, 26))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436)
Call: (196) [system] var(symbols)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] symbols==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436)
Call: (196) [system] string(symbols)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, symbols, _490318), pfcAdd_Now('next-operation'(_490318)))
^ Unify: (196) [user] if_t(into_simple_op(+, symbols, _490318), pfcAdd_Now('next-operation'(_490318)))
Call: (197) [user] into_simple_op(+, symbols, _490318)
Fail: (197) [user] into_simple_op(+, symbols, _490318)
^ Redo: (196) [user] if_t(into_simple_op(+, symbols, _490318), pfcAdd_Now('next-operation'(_490318)))
^ Exit: (196) [user] if_t(into_simple_op(+, symbols, _490318), pfcAdd_Now('next-operation'(_490318)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, symbols), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, symbols), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, symbols), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, symbols), _3436)
Call: (199) [system] asserted_do_metta('&self', +, symbols)\=[_499600|_499602]
Exit: (199) [system] asserted_do_metta('&self', +, symbols)\=[_499600|_499602]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, symbols))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, symbols))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, symbols))*->_3436='True';_3436='False'), error(_503338, _503340), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, symbols))*->_3436='True';_3436='False'), error(_503338, _503340), fail)
Call: (203) [user] asserted_do_metta('&self', +, symbols)
Unify: (203) [user] asserted_do_metta('&self', +, symbols)
Call: (204) [user] metta_interp_mode(+, _507054)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, symbols)
Unify: (204) [user] asserted_do_metta('&self', load, symbols)
Call: (205) [user] metta_interp_mode(load, _511644)
Redo: (204) [user] asserted_do_metta('&self', load, symbols)
Unify: (204) [user] asserted_do_metta('&self', load, symbols)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, symbols)
Unify: (204) [user] asserted_do_metta('&self', load, symbols)
Call: (205) [user] asserted_do_metta2('&self', load, symbols, symbols)
Unify: (205) [user] asserted_do_metta2('&self', load, symbols, symbols)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _520866)
Redo: (205) [user] asserted_do_metta2('&self', load, symbols, symbols)
Unify: (205) [user] asserted_do_metta2('&self', load, symbols, symbols)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, symbols, metta_atom('&self', symbols)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, symbols, metta_atom('&self', symbols)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_7028, _7030), once(user:is_compatio0), '$restore_trace'(_7028, _7030))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_7028, _7030), system:once(user:is_compatio0), system:'$restore_trace'(_7028, _7030))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_7028, _7030))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, symbols, metta_atom('&self', symbols)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, symbols, metta_atom('&self', symbols)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_12646, must_det_ll(user:metta_anew(load, symbols, metta_atom('&self', symbols)))), (_12646==""->true;our_ansi_format('#ffa505', '~w~n', [_12646]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_12646, must_det_ll(user:metta_anew(load, symbols, metta_atom('&self', symbols)))), (_12646==""->true;our_ansi_format('#ffa505', '~w~n', [_12646]))))
symbols
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, symbols, metta_atom('&self', symbols)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, symbols, metta_atom('&self', symbols)))
Exit: (205) [user] asserted_do_metta2('&self', load, symbols, symbols)
Exit: (204) [user] asserted_do_metta('&self', load, symbols)
Exit: (203) [user] asserted_do_metta('&self', +, symbols)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, symbols))*->'True'='True';'True'='False'), error(_3572, _3574), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, symbols))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, symbols), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, symbols), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', symbols, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, will, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(34, 1, 34, 34))
^ Exit: (193) [user] metta_file_buffer(+, will, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(34, 1, 34, 34))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Call: (196) [system] var(will)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] will==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Call: (196) [system] string(will)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, will, _114094), pfcAdd_Now('next-operation'(_114094)))
^ Unify: (196) [user] if_t(into_simple_op(+, will, _114094), pfcAdd_Now('next-operation'(_114094)))
Call: (197) [user] into_simple_op(+, will, _114094)
Fail: (197) [user] into_simple_op(+, will, _114094)
^ Redo: (196) [user] if_t(into_simple_op(+, will, _114094), pfcAdd_Now('next-operation'(_114094)))
^ Exit: (196) [user] if_t(into_simple_op(+, will, _114094), pfcAdd_Now('next-operation'(_114094)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, will), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, will), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, will), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, will), _3436)
Call: (199) [system] asserted_do_metta('&self', +, will)\=[_123376|_123378]
Exit: (199) [system] asserted_do_metta('&self', +, will)\=[_123376|_123378]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, will))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, will))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, will))*->_3436='True';_3436='False'), error(_127114, _127116), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, will))*->_3436='True';_3436='False'), error(_127114, _127116), fail)
Call: (203) [user] asserted_do_metta('&self', +, will)
Unify: (203) [user] asserted_do_metta('&self', +, will)
Call: (204) [user] metta_interp_mode(+, _130830)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, will)
Unify: (204) [user] asserted_do_metta('&self', load, will)
Call: (205) [user] metta_interp_mode(load, _135420)
Redo: (204) [user] asserted_do_metta('&self', load, will)
Unify: (204) [user] asserted_do_metta('&self', load, will)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, will)
Unify: (204) [user] asserted_do_metta('&self', load, will)
Call: (205) [user] asserted_do_metta2('&self', load, will, will)
Unify: (205) [user] asserted_do_metta2('&self', load, will, will)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _144642)
Redo: (205) [user] asserted_do_metta2('&self', load, will, will)
Unify: (205) [user] asserted_do_metta2('&self', load, will, will)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_151118, _151120), once(user:is_compatio0), '$restore_trace'(_151118, _151120))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_151118, _151120), system:once(user:is_compatio0), system:'$restore_trace'(_151118, _151120))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_151118, _151120))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_156736, must_det_ll(user:metta_anew(load, will, metta_atom('&self', will)))), (_156736==""->true;our_ansi_format('#ffa505', '~w~n', [_156736]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_156736, must_det_ll(user:metta_anew(load, will, metta_atom('&self', will)))), (_156736==""->true;our_ansi_format('#ffa505', '~w~n', [_156736]))))
will
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, will, metta_atom('&self', will)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
Exit: (205) [user] asserted_do_metta2('&self', load, will, will)
Exit: (204) [user] asserted_do_metta('&self', load, will)
Exit: (203) [user] asserted_do_metta('&self', +, will)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, will))*->'True'='True';'True'='False'), error(_127114, _127116), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, will))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, will), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, will), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, be, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(39, 1, 39, 39))
^ Exit: (193) [user] metta_file_buffer(+, be, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(39, 1, 39, 39))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436)
Call: (196) [system] var(be)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] be==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436)
Call: (196) [system] string(be)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, be, _258182), pfcAdd_Now('next-operation'(_258182)))
^ Unify: (196) [user] if_t(into_simple_op(+, be, _258182), pfcAdd_Now('next-operation'(_258182)))
Call: (197) [user] into_simple_op(+, be, _258182)
Fail: (197) [user] into_simple_op(+, be, _258182)
^ Redo: (196) [user] if_t(into_simple_op(+, be, _258182), pfcAdd_Now('next-operation'(_258182)))
^ Exit: (196) [user] if_t(into_simple_op(+, be, _258182), pfcAdd_Now('next-operation'(_258182)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, be), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, be), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, be), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, be), _3436)
Call: (199) [system] asserted_do_metta('&self', +, be)\=[_267464|_267466]
Exit: (199) [system] asserted_do_metta('&self', +, be)\=[_267464|_267466]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, be))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, be))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, be))*->_3436='True';_3436='False'), error(_271202, _271204), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, be))*->_3436='True';_3436='False'), error(_271202, _271204), fail)
Call: (203) [user] asserted_do_metta('&self', +, be)
Unify: (203) [user] asserted_do_metta('&self', +, be)
Call: (204) [user] metta_interp_mode(+, _274918)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, be)
Unify: (204) [user] asserted_do_metta('&self', load, be)
Call: (205) [user] metta_interp_mode(load, _279508)
Redo: (204) [user] asserted_do_metta('&self', load, be)
Unify: (204) [user] asserted_do_metta('&self', load, be)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, be)
Unify: (204) [user] asserted_do_metta('&self', load, be)
Call: (205) [user] asserted_do_metta2('&self', load, be, be)
Unify: (205) [user] asserted_do_metta2('&self', load, be, be)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _288730)
Redo: (205) [user] asserted_do_metta2('&self', load, be, be)
Unify: (205) [user] asserted_do_metta2('&self', load, be, be)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, be, metta_atom('&self', be)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, be, metta_atom('&self', be)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_295206, _295208), once(user:is_compatio0), '$restore_trace'(_295206, _295208))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_295206, _295208), system:once(user:is_compatio0), system:'$restore_trace'(_295206, _295208))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_295206, _295208))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, be, metta_atom('&self', be)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, be, metta_atom('&self', be)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_300824, must_det_ll(user:metta_anew(load, be, metta_atom('&self', be)))), (_300824==""->true;our_ansi_format('#ffa505', '~w~n', [_300824]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_300824, must_det_ll(user:metta_anew(load, be, metta_atom('&self', be)))), (_300824==""->true;our_ansi_format('#ffa505', '~w~n', [_300824]))))
be
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, be, metta_atom('&self', be)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, be, metta_atom('&self', be)))
Exit: (205) [user] asserted_do_metta2('&self', load, be, be)
Exit: (204) [user] asserted_do_metta('&self', load, be)
Exit: (203) [user] asserted_do_metta('&self', +, be)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, be))*->'True'='True';'True'='False'), error(_271202, _271204), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, be))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, be), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, be), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', be, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, used, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(42, 1, 42, 42))
^ Exit: (193) [user] metta_file_buffer(+, used, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(42, 1, 42, 42))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436)
Call: (196) [system] var(used)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] used==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436)
Call: (196) [system] string(used)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, used, _402270), pfcAdd_Now('next-operation'(_402270)))
^ Unify: (196) [user] if_t(into_simple_op(+, used, _402270), pfcAdd_Now('next-operation'(_402270)))
Call: (197) [user] into_simple_op(+, used, _402270)
Fail: (197) [user] into_simple_op(+, used, _402270)
^ Redo: (196) [user] if_t(into_simple_op(+, used, _402270), pfcAdd_Now('next-operation'(_402270)))
^ Exit: (196) [user] if_t(into_simple_op(+, used, _402270), pfcAdd_Now('next-operation'(_402270)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, used), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, used), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, used), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, used), _3436)
Call: (199) [system] asserted_do_metta('&self', +, used)\=[_411552|_411554]
Exit: (199) [system] asserted_do_metta('&self', +, used)\=[_411552|_411554]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, used))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, used))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, used))*->_3436='True';_3436='False'), error(_415290, _415292), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, used))*->_3436='True';_3436='False'), error(_415290, _415292), fail)
Call: (203) [user] asserted_do_metta('&self', +, used)
Unify: (203) [user] asserted_do_metta('&self', +, used)
Call: (204) [user] metta_interp_mode(+, _419006)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, used)
Unify: (204) [user] asserted_do_metta('&self', load, used)
Call: (205) [user] metta_interp_mode(load, _423596)
Redo: (204) [user] asserted_do_metta('&self', load, used)
Unify: (204) [user] asserted_do_metta('&self', load, used)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, used)
Unify: (204) [user] asserted_do_metta('&self', load, used)
Call: (205) [user] asserted_do_metta2('&self', load, used, used)
Unify: (205) [user] asserted_do_metta2('&self', load, used, used)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _432818)
Redo: (205) [user] asserted_do_metta2('&self', load, used, used)
Unify: (205) [user] asserted_do_metta2('&self', load, used, used)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, used, metta_atom('&self', used)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, used, metta_atom('&self', used)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_439294, _439296), once(user:is_compatio0), '$restore_trace'(_439294, _439296))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_439294, _439296), system:once(user:is_compatio0), system:'$restore_trace'(_439294, _439296))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_439294, _439296))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, used, metta_atom('&self', used)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, used, metta_atom('&self', used)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_444912, must_det_ll(user:metta_anew(load, used, metta_atom('&self', used)))), (_444912==""->true;our_ansi_format('#ffa505', '~w~n', [_444912]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_444912, must_det_ll(user:metta_anew(load, used, metta_atom('&self', used)))), (_444912==""->true;our_ansi_format('#ffa505', '~w~n', [_444912]))))
used
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, used, metta_atom('&self', used)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, used, metta_atom('&self', used)))
Exit: (205) [user] asserted_do_metta2('&self', load, used, used)
Exit: (204) [user] asserted_do_metta('&self', load, used)
Exit: (203) [user] asserted_do_metta('&self', +, used)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, used))*->'True'='True';'True'='False'), error(_415290, _415292), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, used))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, used), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, used), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', used, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, 'I', [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(48, 1, 48, 48))
^ Exit: (193) [user] metta_file_buffer(+, 'I', [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(48, 1, 48, 48))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436)
Call: (196) [system] var('I')
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] 'I'==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436)
Call: (196) [system] string('I')
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, 'I', _25952), pfcAdd_Now('next-operation'(_25952)))
^ Unify: (196) [user] if_t(into_simple_op(+, 'I', _25952), pfcAdd_Now('next-operation'(_25952)))
Call: (197) [user] into_simple_op(+, 'I', _25952)
Fail: (197) [user] into_simple_op(+, 'I', _25952)
^ Redo: (196) [user] if_t(into_simple_op(+, 'I', _25952), pfcAdd_Now('next-operation'(_25952)))
^ Exit: (196) [user] if_t(into_simple_op(+, 'I', _25952), pfcAdd_Now('next-operation'(_25952)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, 'I'), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, 'I'), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, 'I'), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, 'I'), _3436)
Call: (199) [system] asserted_do_metta('&self', +, 'I')\=[_35234|_35236]
Exit: (199) [system] asserted_do_metta('&self', +, 'I')\=[_35234|_35236]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, 'I'))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, 'I'))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, 'I'))*->_3436='True';_3436='False'), error(_38972, _38974), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, 'I'))*->_3436='True';_3436='False'), error(_38972, _38974), fail)
Call: (203) [user] asserted_do_metta('&self', +, 'I')
Unify: (203) [user] asserted_do_metta('&self', +, 'I')
Call: (204) [user] metta_interp_mode(+, _42688)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, 'I')
Unify: (204) [user] asserted_do_metta('&self', load, 'I')
Call: (205) [user] metta_interp_mode(load, _47278)
Redo: (204) [user] asserted_do_metta('&self', load, 'I')
Unify: (204) [user] asserted_do_metta('&self', load, 'I')
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, 'I')
Unify: (204) [user] asserted_do_metta('&self', load, 'I')
Call: (205) [user] asserted_do_metta2('&self', load, 'I', 'I')
Unify: (205) [user] asserted_do_metta2('&self', load, 'I', 'I')
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _56500)
Redo: (205) [user] asserted_do_metta2('&self', load, 'I', 'I')
Unify: (205) [user] asserted_do_metta2('&self', load, 'I', 'I')
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'I', metta_atom('&self', 'I')))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'I', metta_atom('&self', 'I')))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_62976, _62978), once(user:is_compatio0), '$restore_trace'(_62976, _62978))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_62976, _62978), system:once(user:is_compatio0), system:'$restore_trace'(_62976, _62978))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_62976, _62978))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'I', metta_atom('&self', 'I')))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'I', metta_atom('&self', 'I')))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_68594, must_det_ll(user:metta_anew(load, 'I', metta_atom('&self', 'I')))), (_68594==""->true;our_ansi_format('#ffa505', '~w~n', [_68594]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_68594, must_det_ll(user:metta_anew(load, 'I', metta_atom('&self', 'I')))), (_68594==""->true;our_ansi_format('#ffa505', '~w~n', [_68594]))))
I
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, 'I', metta_atom('&self', 'I')))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, 'I', metta_atom('&self', 'I')))
Exit: (205) [user] asserted_do_metta2('&self', load, 'I', 'I')
Exit: (204) [user] asserted_do_metta('&self', load, 'I')
Exit: (203) [user] asserted_do_metta('&self', +, 'I')
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, 'I'))*->'True'='True';'True'='False'), error(_38972, _38974), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, 'I'))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, 'I'), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, 'I'), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', 'I', 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, will, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(50, 1, 50, 50))
^ Exit: (193) [user] metta_file_buffer(+, will, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(50, 1, 50, 50))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Call: (196) [system] var(will)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] will==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Call: (196) [system] string(will)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, will, _170040), pfcAdd_Now('next-operation'(_170040)))
^ Unify: (196) [user] if_t(into_simple_op(+, will, _170040), pfcAdd_Now('next-operation'(_170040)))
Call: (197) [user] into_simple_op(+, will, _170040)
Fail: (197) [user] into_simple_op(+, will, _170040)
^ Redo: (196) [user] if_t(into_simple_op(+, will, _170040), pfcAdd_Now('next-operation'(_170040)))
^ Exit: (196) [user] if_t(into_simple_op(+, will, _170040), pfcAdd_Now('next-operation'(_170040)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, will), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, will), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, will), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, will), _3436)
Call: (199) [system] asserted_do_metta('&self', +, will)\=[_179322|_179324]
Exit: (199) [system] asserted_do_metta('&self', +, will)\=[_179322|_179324]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, will))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, will))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, will))*->_3436='True';_3436='False'), error(_183060, _183062), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, will))*->_3436='True';_3436='False'), error(_183060, _183062), fail)
Call: (203) [user] asserted_do_metta('&self', +, will)
Unify: (203) [user] asserted_do_metta('&self', +, will)
Call: (204) [user] metta_interp_mode(+, _186776)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, will)
Unify: (204) [user] asserted_do_metta('&self', load, will)
Call: (205) [user] metta_interp_mode(load, _191366)
Redo: (204) [user] asserted_do_metta('&self', load, will)
Unify: (204) [user] asserted_do_metta('&self', load, will)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, will)
Unify: (204) [user] asserted_do_metta('&self', load, will)
Call: (205) [user] asserted_do_metta2('&self', load, will, will)
Unify: (205) [user] asserted_do_metta2('&self', load, will, will)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _200588)
Redo: (205) [user] asserted_do_metta2('&self', load, will, will)
Unify: (205) [user] asserted_do_metta2('&self', load, will, will)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_207064, _207066), once(user:is_compatio0), '$restore_trace'(_207064, _207066))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_207064, _207066), system:once(user:is_compatio0), system:'$restore_trace'(_207064, _207066))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_207064, _207066))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_212682, must_det_ll(user:metta_anew(load, will, metta_atom('&self', will)))), (_212682==""->true;our_ansi_format('#ffa505', '~w~n', [_212682]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_212682, must_det_ll(user:metta_anew(load, will, metta_atom('&self', will)))), (_212682==""->true;our_ansi_format('#ffa505', '~w~n', [_212682]))))
will
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, will, metta_atom('&self', will)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, will, metta_atom('&self', will)))
Exit: (205) [user] asserted_do_metta2('&self', load, will, will)
Exit: (204) [user] asserted_do_metta('&self', load, will)
Exit: (203) [user] asserted_do_metta('&self', +, will)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, will))*->'True'='True';'True'='False'), error(_183060, _183062), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, will))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, will), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, will), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', will, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, use, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(55, 1, 55, 55))
^ Exit: (193) [user] metta_file_buffer(+, use, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(55, 1, 55, 55))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436)
Call: (196) [system] var(use)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] use==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436)
Call: (196) [system] string(use)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, use, _313744), pfcAdd_Now('next-operation'(_313744)))
^ Unify: (196) [user] if_t(into_simple_op(+, use, _313744), pfcAdd_Now('next-operation'(_313744)))
Call: (197) [user] into_simple_op(+, use, _313744)
Fail: (197) [user] into_simple_op(+, use, _313744)
^ Redo: (196) [user] if_t(into_simple_op(+, use, _313744), pfcAdd_Now('next-operation'(_313744)))
^ Exit: (196) [user] if_t(into_simple_op(+, use, _313744), pfcAdd_Now('next-operation'(_313744)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, use), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, use), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, use), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, use), _3436)
Call: (199) [system] asserted_do_metta('&self', +, use)\=[_323026|_323028]
Exit: (199) [system] asserted_do_metta('&self', +, use)\=[_323026|_323028]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, use))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, use))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, use))*->_3436='True';_3436='False'), error(_326764, _326766), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, use))*->_3436='True';_3436='False'), error(_326764, _326766), fail)
Call: (203) [user] asserted_do_metta('&self', +, use)
Unify: (203) [user] asserted_do_metta('&self', +, use)
Call: (204) [user] metta_interp_mode(+, _330480)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, use)
Unify: (204) [user] asserted_do_metta('&self', load, use)
Call: (205) [user] metta_interp_mode(load, _335070)
Redo: (204) [user] asserted_do_metta('&self', load, use)
Unify: (204) [user] asserted_do_metta('&self', load, use)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, use)
Unify: (204) [user] asserted_do_metta('&self', load, use)
Call: (205) [user] asserted_do_metta2('&self', load, use, use)
Unify: (205) [user] asserted_do_metta2('&self', load, use, use)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _344292)
Redo: (205) [user] asserted_do_metta2('&self', load, use, use)
Unify: (205) [user] asserted_do_metta2('&self', load, use, use)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, use, metta_atom('&self', use)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, use, metta_atom('&self', use)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_350768, _350770), once(user:is_compatio0), '$restore_trace'(_350768, _350770))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_350768, _350770), system:once(user:is_compatio0), system:'$restore_trace'(_350768, _350770))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_350768, _350770))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, use, metta_atom('&self', use)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, use, metta_atom('&self', use)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_356386, must_det_ll(user:metta_anew(load, use, metta_atom('&self', use)))), (_356386==""->true;our_ansi_format('#ffa505', '~w~n', [_356386]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_356386, must_det_ll(user:metta_anew(load, use, metta_atom('&self', use)))), (_356386==""->true;our_ansi_format('#ffa505', '~w~n', [_356386]))))
use
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, use, metta_atom('&self', use)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, use, metta_atom('&self', use)))
Exit: (205) [user] asserted_do_metta2('&self', load, use, use)
Exit: (204) [user] asserted_do_metta('&self', load, use)
Exit: (203) [user] asserted_do_metta('&self', +, use)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, use))*->'True'='True';'True'='False'), error(_326764, _326766), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, use))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, use), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, use), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', use, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, ['Cons', 1, ['Cons', 2, 'Nil']], [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(59, 1, 59, 59))
^ Exit: (193) [user] metta_file_buffer(+, ['Cons', 1, ['Cons', 2, 'Nil']], [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(59, 1, 59, 59))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436)
Call: (196) [system] var(['Cons', 1, ['Cons', 2, 'Nil']])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] ['Cons', 1, ['Cons', 2, 'Nil']]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436)
Call: (196) [system] string(['Cons', 1, ['Cons', 2, 'Nil']])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, ['Cons', 1, ['Cons', 2, 'Nil']], _457868), pfcAdd_Now('next-operation'(_457868)))
^ Unify: (196) [user] if_t(into_simple_op(+, ['Cons', 1, ['Cons', 2, 'Nil']], _457868), pfcAdd_Now('next-operation'(_457868)))
Call: (197) [user] into_simple_op(+, ['Cons', 1, ['Cons', 2, 'Nil']], _457868)
Unify: (197) [user] into_simple_op(+, ['Cons', 1, ['Cons', 2, 'Nil']], op(+, 'Cons', _460660))
Call: (198) [user] o_s([1, ['Cons', 2, 'Nil']], _460660)
Unify: (198) [user] o_s([1, ['Cons', 2, 'Nil']], _460660)
Call: (199) [user] o_s(1, _460660)
Unify: (199) [user] o_s(1, 1)
Exit: (199) [user] o_s(1, 1)
Exit: (198) [user] o_s([1, ['Cons', 2, 'Nil']], 1)
Exit: (197) [user] into_simple_op(+, ['Cons', 1, ['Cons', 2, 'Nil']], op(+, 'Cons', 1))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, 'Cons', 1)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, 'Cons', 1)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, 'Cons', 1))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, 'Cons', 1))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, 'Cons', 1))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, 'Cons', 1))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, 'Cons', 1)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, 'Cons', 1)))
^ Call: (199) [user] must_ex(current_why_UU(_479130))
^ Unify: (199) [user] must_ex(current_why_UU(_479130))
Call: (201) [user] current_why_UU(_479130)
Unify: (201) [user] current_why_UU(_479130)
^ Call: (202) [user] get_why_uu(_479130)
^ Unify: (202) [user] get_why_uu(_479130)
^ Call: (203) [user] findall(_484670, current_why(_484670), _484676)
^ Unify: (203) [$bags] findall(_484670, user:current_why(_484670), _484676)
^ Call: (204) [$bags] findall(_484670, user:current_why(_484670), _484676, [])
^ Unify: (204) [$bags] findall(_484670, user:current_why(_484670), _484676, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_484670, user:current_why(_484670), _484676, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_484670, user:current_why(_484670), _484676, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_484670, user:current_why(_484670), _484676, [])
Unify: (206) [$bags] findall_loop(_484670, user:current_why(_484670), _484676, [])
^ Call: (207) [user] bugger:current_why(_484670)
^ Unify: (207) [user] bugger:current_why(_484670)
^ Call: (208) [user] bugger:current_why_data(_484670)
^ Unify: (208) [user] bugger:current_why_data(_484670)
Call: (209) [system] nb_current('$current_why', wp(_484670, _495930))
Fail: (209) [system] nb_current('$current_why', wp(_484670, _495930))
^ Redo: (208) [user] bugger:current_why_data(_484670)
^ Unify: (208) [user] bugger:current_why_data(_484670)
Call: (209) [t_l] t_l:current_why_source(_484670)
Fail: (209) [t_l] t_l:current_why_source(_484670)
^ Fail: (208) [user] bugger:current_why_data(_484670)
^ Redo: (207) [user] bugger:current_why(_484670)
^ Unify: (207) [user] bugger:current_why(mfl4(_503358, _503360, _503362, _503364))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_504314, _504316), once(user:current_mfl4(_503358, _503360, _503362, _503364)), '$restore_trace'(_504314, _504316))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_504314, _504316), system:once(user:current_mfl4(_503358, _503360, _503362, _503364)), system:'$restore_trace'(_504314, _504316))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_504314, _504316))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_503358, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_503358, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_484670, user:current_why(_484670), _484676, [])
Exit: (206) [$bags] findall_loop(_484670, user:current_why(_484670), [P;HTML|mfl4(_521176, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_3584, user:current_why(_3584), [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_3584, user:current_why(_3584), [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_3584, user:current_why(_3584), [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3564)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3564)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_121528, _121530)
Fail: (204) [system] [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_121528, _121530)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3564)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3564)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _151954)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _151954)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _151954)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _151954)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _151954)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _151954)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _151954)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _151954)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _151954)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3564)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3564)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_515422, _515424)
Fail: (205) [system] P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_3608, _3610)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3564)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, 'Cons', 1)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, 'Cons', 1)))
Call: (202) [system] is_list('next-operation'(op(+, 'Cons', 1)))
Fail: (202) [system] is_list('next-operation'(op(+, 'Cons', 1)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, 'Cons', 1)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, 'Cons', 1)), _154096)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, 'Cons', 1)), _154096)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, 'Cons', 1)), _154096)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _173932, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_173932)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _173932, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_173932)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _173932, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_173932)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _173932, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_173932)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _204454)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _173932, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_173932)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _173932, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_173932)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, 'Cons', 1)), P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, 'Cons', 1)), P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, 'Cons', 1)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, 'Cons', 1)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, 'Cons', 1)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, 'Cons', 1)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, 'Cons', 1)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, 'Cons', 1)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, 'Cons', 1)), _305106, _305108)
^ Exit: (211) [user] strip_module('next-operation'(op(+, 'Cons', 1)), user, 'next-operation'(op(+, 'Cons', 1)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, 'Cons', 1)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, 'Cons', 1)), true)
Call: (212) [system] _308850=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, 'Cons', 1)), true, _310720)
^ Fail: (212) [user] clause('next-operation'(op(+, 'Cons', 1)), true, _310720)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, 'Cons', 1)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, 'Cons', 1)), true, _313548)
^ Fail: (212) [user] clause('next-operation'(op(+, 'Cons', 1)), true, _313548)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, 'Cons', 1)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, 'Cons', 1)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, 'Cons', 1)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, 'Cons', 1)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, 'Cons', 1)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, 'Cons', 1)));assert('next-operation'(op(+, 'Cons', 1))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, 'Cons', 1)));assert('next-operation'(op(+, 'Cons', 1))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, 'Cons', 1)));assert('next-operation'(op(+, 'Cons', 1)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, 'Cons', 1)));assert('next-operation'(op(+, 'Cons', 1)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, 'Cons', 1)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, 'Cons', 1)))
^ Call: (214) [user] strip_module('next-operation'(op(+, 'Cons', 1)), _340898, _340900)
^ Exit: (214) [user] strip_module('next-operation'(op(+, 'Cons', 1)), user, 'next-operation'(op(+, 'Cons', 1)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, 'Cons', 1)), _342778, _342780)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)), true)
Call: (215) [system] var('next-operation'(op(+, 'Cons', 1)))
Fail: (215) [system] var('next-operation'(op(+, 'Cons', 1)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, 'Cons', 1)), _342778, _342780)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, 'Cons', 1)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, 'Cons', 1)), true)
Call: (215) [system] _351184=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, 'Cons', 1)), true, _353054)
^ Fail: (215) [user] clause('next-operation'(op(+, 'Cons', 1)), true, _353054)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, 'Cons', 1)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, 'Cons', 1)), true, _355882)
^ Fail: (215) [user] clause('next-operation'(op(+, 'Cons', 1)), true, _355882)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, 'Cons', 1)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, 'Cons', 1)))
^ Call: (213) [user] assert('next-operation'(op(+, 'Cons', 1)))
^ Exit: (213) [user] assert('next-operation'(op(+, 'Cons', 1)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, 'Cons', 1)));assert('next-operation'(op(+, 'Cons', 1)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, 'Cons', 1)));assert('next-operation'(op(+, 'Cons', 1))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3590, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, 'Cons', 1)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, 'Cons', 1)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, 'Cons', 1)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, 'Cons', 1)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _412672)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _412672)
Call: (216) [system] var('next-operation'(op(+, 'Cons', 1)))
Fail: (216) [system] var('next-operation'(op(+, 'Cons', 1)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _412672)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _412672)
Call: (216) [system] compound('next-operation'(op(+, 'Cons', 1)))
Exit: (216) [system] compound('next-operation'(op(+, 'Cons', 1)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _412672)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _412672)
Call: (216) [system] _423824 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), _425682)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), _425682)
Call: (217) [system] is_list('next-operation'(op(+, 'Cons', 1)))
Fail: (217) [system] is_list('next-operation'(op(+, 'Cons', 1)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), _425682)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), _425682)
Call: (217) [system] compound('next-operation'(op(+, 'Cons', 1)))
Exit: (217) [system] compound('next-operation'(op(+, 'Cons', 1)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, 'Cons', 1)), _433092, _433094)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, 'Cons', 1)), 'next-operation', [op(+, 'Cons', 1)])
Call: (217) [lists] lists:member(_425682, ['next-operation', op(+, 'Cons', 1)])
Unify: (217) [lists] lists:member(_425682, ['next-operation', op(+, 'Cons', 1)])
Call: (218) [lists] lists:member_([op(+, 'Cons', 1)], _425682, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, 'Cons', 1)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, 'Cons', 1)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, 'Cons', 1)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _412672)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _412672)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _412672)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _412672)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _412672)
Call: (217) [system] _412672='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, 'Cons', 1)], _425682, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, 'Cons', 1)], _425682, 'next-operation')
Call: (219) [lists] lists:member_([], _425682, op(+, 'Cons', 1))
Unify: (219) [lists] lists:member_([], op(+, 'Cons', 1), op(+, 'Cons', 1))
Exit: (219) [lists] lists:member_([], op(+, 'Cons', 1), op(+, 'Cons', 1))
Exit: (218) [lists] lists:member_([op(+, 'Cons', 1)], op(+, 'Cons', 1), 'next-operation')
Exit: (217) [lists] lists:member(op(+, 'Cons', 1), ['next-operation', op(+, 'Cons', 1)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), op(+, 'Cons', 1))
^ Call: (216) [user] compound_eles(0, op(+, 'Cons', 1), _412672)
^ Unify: (216) [user] compound_eles(0, op(+, 'Cons', 1), _412672)
Call: (217) [system] var(op(+, 'Cons', 1))
Fail: (217) [system] var(op(+, 'Cons', 1))
^ Redo: (216) [user] compound_eles(0, op(+, 'Cons', 1), _412672)
^ Unify: (216) [user] compound_eles(0, op(+, 'Cons', 1), _412672)
Call: (217) [system] compound(op(+, 'Cons', 1))
Exit: (217) [system] compound(op(+, 'Cons', 1))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _412672=op(+, 'Cons', 1)
Exit: (217) [system] op(+, 'Cons', 1)=op(+, 'Cons', 1)
^ Exit: (216) [user] compound_eles(0, op(+, 'Cons', 1), op(+, 'Cons', 1))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), op(+, 'Cons', 1))
^ Call: (215) [user] pfcIgnored(op(+, 'Cons', 1))
^ Fail: (215) [user] pfcIgnored(op(+, 'Cons', 1))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, 'Cons', 1)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, 'Cons', 1)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, 'Cons', 1)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _480472)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _480472)
Call: (215) [system] var('next-operation'(op(+, 'Cons', 1)))
Fail: (215) [system] var('next-operation'(op(+, 'Cons', 1)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _480472)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _480472)
Call: (215) [system] compound('next-operation'(op(+, 'Cons', 1)))
Exit: (215) [system] compound('next-operation'(op(+, 'Cons', 1)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _480472)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), _480472)
Call: (215) [system] _491624 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), _493482)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), _493482)
Call: (216) [system] is_list('next-operation'(op(+, 'Cons', 1)))
Fail: (216) [system] is_list('next-operation'(op(+, 'Cons', 1)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), _493482)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), _493482)
Call: (216) [system] compound('next-operation'(op(+, 'Cons', 1)))
Exit: (216) [system] compound('next-operation'(op(+, 'Cons', 1)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, 'Cons', 1)), _500892, _500894)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, 'Cons', 1)), 'next-operation', [op(+, 'Cons', 1)])
Call: (216) [lists] lists:member(_493482, ['next-operation', op(+, 'Cons', 1)])
Unify: (216) [lists] lists:member(_493482, ['next-operation', op(+, 'Cons', 1)])
Call: (217) [lists] lists:member_([op(+, 'Cons', 1)], _493482, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, 'Cons', 1)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, 'Cons', 1)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, 'Cons', 1)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _480472)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _480472)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _480472)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _480472)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _480472)
Call: (216) [system] _480472='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, 'Cons', 1)], _493482, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, 'Cons', 1)], _3730, 'next-operation')
Call: (218) [lists] lists:member_([], _3730, op(+, 'Cons', 1))
Unify: (218) [lists] lists:member_([], op(+, 'Cons', 1), op(+, 'Cons', 1))
Exit: (218) [lists] lists:member_([], op(+, 'Cons', 1), op(+, 'Cons', 1))
Exit: (217) [lists] lists:member_([op(+, 'Cons', 1)], op(+, 'Cons', 1), 'next-operation')
Exit: (216) [lists] lists:member(op(+, 'Cons', 1), ['next-operation', op(+, 'Cons', 1)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, 'Cons', 1)), op(+, 'Cons', 1))
^ Call: (215) [user] compound_eles(0, op(+, 'Cons', 1), _3726)
^ Unify: (215) [user] compound_eles(0, op(+, 'Cons', 1), _3726)
Call: (216) [system] var(op(+, 'Cons', 1))
Fail: (216) [system] var(op(+, 'Cons', 1))
^ Redo: (215) [user] compound_eles(0, op(+, 'Cons', 1), _3726)
^ Unify: (215) [user] compound_eles(0, op(+, 'Cons', 1), _3726)
Call: (216) [system] compound(op(+, 'Cons', 1))
Exit: (216) [system] compound(op(+, 'Cons', 1))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _3726=op(+, 'Cons', 1)
Exit: (216) [system] op(+, 'Cons', 1)=op(+, 'Cons', 1)
^ Exit: (215) [user] compound_eles(0, op(+, 'Cons', 1), op(+, 'Cons', 1))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, 'Cons', 1)), op(+, 'Cons', 1))
^ Call: (214) [user] pfcTraced(op(+, 'Cons', 1))
^ Fail: (214) [user] pfcTraced(op(+, 'Cons', 1))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, 'Cons', 1)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, 'Cons', 1)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, 'Cons', 1)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_126726)
^ Unify: (212) [user] pfcGetSearch(_126726)
Call: (213) [t_l] t_l:pfcSearchTL(_128576)
Fail: (213) [t_l] t_l:pfcSearchTL(_128576)
^ Redo: (212) [user] pfcGetSearch(_126726)
^ Call: (213) [user] pfcSearch(_131350)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _126726=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, 'Cons', 1)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, 'Cons', 1)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, 'Cons', 1)), _155824)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, 'Cons', 1)), _155824)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, 'Cons', 1)), _155824)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, 'Cons', 1)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, 'Cons', 1)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, 'Cons', 1))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, 'Cons', 1))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, 'Cons', 1))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, 'Cons', 1))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _166086)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, 'Cons', 1))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, 'Cons', 1))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, 'Cons', 1)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, 'Cons', 1)))
Call: (218) [system] is_list(_173582)
Fail: (218) [system] is_list(_173582)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, 'Cons', 1)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, 'Cons', 1)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, 'Cons', 1)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, 'Cons', 1)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, 'Cons', 1)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, 'Cons', 1)))
Call: (219) [system] copy_term('next-operation'(op(+, 'Cons', 1)), _180976)
Exit: (219) [system] copy_term('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1))))
^ Call: (220) [user] fcpt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (223) [system] var('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _223638, _223640)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _223638, _223640)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _223638, _223640)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _234880)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _235820)
Call: (224) [system] nonvar(_236678)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _237680)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _238614)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), number_of_clauses(_247808))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), number_of_clauses(_247808))
Call: (224) [system] nonvar(number_of_clauses(_247808))
Exit: (224) [system] nonvar(number_of_clauses(_247808))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_247808), user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_247808), user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _262652), (prolog_current_choice(_262662), push_current_choice(_262662), clause('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _262684), pfc_call(_262684)), nb_setval('$pfc_current_choice', _262652))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _262652), user:(prolog_current_choice(_262662), push_current_choice(_262662), clause('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _262684), pfc_call(_262684)), user:nb_setval('$pfc_current_choice', _262652))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _262652))
Call: (226) [system] nb_current('$pfc_current_choice', _262652)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_262662)
Exit: (225) [system] prolog_current_choice(2927)
^ Call: (225) [user] push_current_choice(2927)
^ Unify: (225) [user] push_current_choice(2927)
Call: (226) [system] nb_current('$pfc_current_choice', _272002)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2927])
Exit: (226) [system] b_setval('$pfc_current_choice', [2927])
^ Exit: (225) [user] push_current_choice(2927)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _262684)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _262684)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _280374)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _262652), user:(prolog_current_choice(_262662), push_current_choice(_262662), clause('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568), _262684), pfc_call(_262684)), user:nb_setval('$pfc_current_choice', _262652))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, 'Cons', 1)), _186568))
^ Redo: (220) [user] fcpt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1))))
^ Call: (220) [user] fcnt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Call: (221) [user] pfc_spft(_295244, _295330, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252))
^ Unify: (221) [user] pfc_spft(_295244, _296262, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252))
^ Call: (222) [user] pfcCallSystem('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Call: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Unify: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (224) [system] var('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Fail: (224) [system] var('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Redo: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Unify: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (224) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Exit: (224) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Unify: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Redo: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Unify: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Call: (224) [user] predicate_property('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (227) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Exit: (227) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Unify: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Call: (224) [user] predicate_property('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (226) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Exit: (226) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _331402, _331404)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _331402, _331404)
Call: (227) [system] compound('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Exit: (227) [system] compound('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (227) [system] compound_name_arity('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _331402, _331404)
Exit: (227) [system] compound_name_arity('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Unify: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Call: (224) [user] predicate_property('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _342644)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _343584)
Call: (225) [system] nonvar(_344442)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _345444)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _346378)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (226) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Exit: (226) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Call: (224) [user] predicate_property('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), number_of_clauses(_355572))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), number_of_clauses(_355572))
Call: (225) [system] nonvar(number_of_clauses(_355572))
Exit: (225) [system] nonvar(number_of_clauses(_355572))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_355572), user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_355572), user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (227) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Exit: (227) [system] callable('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(721), user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), number_of_clauses(721))
^ Unify: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _370416), (prolog_current_choice(_370426), push_current_choice(_370426), clause('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _370448), pfc_call(_370448)), nb_setval('$pfc_current_choice', _370416))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _370416), user:(prolog_current_choice(_370426), push_current_choice(_370426), clause('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _370448), pfc_call(_370448)), user:nb_setval('$pfc_current_choice', _370416))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _370416))
Call: (227) [system] nb_current('$pfc_current_choice', _370416)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_370426)
Exit: (226) [system] prolog_current_choice(2947)
^ Call: (226) [user] push_current_choice(2947)
^ Unify: (226) [user] push_current_choice(2947)
Call: (227) [system] nb_current('$pfc_current_choice', _379766)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2947])
Exit: (227) [system] b_setval('$pfc_current_choice', [2947])
^ Exit: (226) [user] push_current_choice(2947)
^ Call: (226) [user] clause('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _370448)
^ Fail: (226) [user] clause('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _370448)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _388138)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _370416), user:(prolog_current_choice(_370426), push_current_choice(_370426), clause('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)), _370448), pfc_call(_370448)), user:nb_setval('$pfc_current_choice', _370416))
^ Fail: (223) [user] pfc_call('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_295244, _297122, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252)))
^ Fail: (221) [user] pfc_spft(_295244, _395642, '$nt$'('next-operation'(op(+, 'Cons', 1)), _295250, _295252))
^ Redo: (220) [user] fcnt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, 'Cons', 1)), 'next-operation'(op(+, 'Cons', 1))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, 'Cons', 1)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, 'Cons', 1)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, 'Cons', 1))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, 'Cons', 1))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, 'Cons', 1))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, 'Cons', 1)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3590, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_3590)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3590, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_3590)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3590, (notrace, wdmsg(('next-operation'(op(+, 'Cons', 1))=>_3590)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, 'Cons', 1)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_493168)
Fail: (202) [t_l] t_l:pfcSearchTL(_493168)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_495942)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, 'Cons', 1)), (P;HTML|mfl4(_3566, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, 'Cons', 1)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, 'Cons', 1)))
^ Exit: (196) [user] if_t(into_simple_op(+, ['Cons', 1, ['Cons', 2, 'Nil']], op(+, 'Cons', 1)), pfcAdd_Now('next-operation'(op(+, 'Cons', 1))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]), _3436)
Call: (199) [system] asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']])\=[_517428|_517430]
Exit: (199) [system] asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']])\=[_517428|_517430]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]))*->_3436='True';_3436='False'), error(_521166, _521168), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]))*->_3436='True';_3436='False'), error(_521166, _521168), fail)
Call: (203) [user] asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']])
Unify: (203) [user] asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']])
Call: (204) [user] metta_interp_mode(+, _4524)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']])
Unify: (204) [user] asserted_do_metta('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']])
Call: (205) [user] metta_interp_mode(load, _9114)
Redo: (204) [user] asserted_do_metta('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']])
Unify: (204) [user] asserted_do_metta('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']])
Unify: (204) [user] asserted_do_metta('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']])
Call: (205) [user] asserted_do_metta2('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']], ['Cons', 1, ['Cons', 2, 'Nil']])
Unify: (205) [user] asserted_do_metta2('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']], ['Cons', 1, ['Cons', 2, 'Nil']])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _18336)
Redo: (205) [user] asserted_do_metta2('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']], ['Cons', 1, ['Cons', 2, 'Nil']])
Unify: (205) [user] asserted_do_metta2('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']], ['Cons', 1, ['Cons', 2, 'Nil']])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, ['Cons', 1, ['Cons', 2, 'Nil']], metta_atom('&self', ['Cons', 1, ['Cons', 2, 'Nil']])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, ['Cons', 1, ['Cons', 2, 'Nil']], metta_atom('&self', ['Cons', 1, ['Cons', 2, 'Nil']])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_24812, _24814), once(user:is_compatio0), '$restore_trace'(_24812, _24814))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_24812, _24814), system:once(user:is_compatio0), system:'$restore_trace'(_24812, _24814))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_24812, _24814))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, ['Cons', 1, ['Cons', 2, 'Nil']], metta_atom('&self', ['Cons', 1, ['Cons', 2, 'Nil']])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, ['Cons', 1, ['Cons', 2, 'Nil']], metta_atom('&self', ['Cons', 1, ['Cons', 2, 'Nil']])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_30430, must_det_ll(user:metta_anew(load, ['Cons', 1, ['Cons', 2, 'Nil']], metta_atom('&self', ['Cons', 1, ['Cons', 2, 'Nil']])))), (_30430==""->true;our_ansi_format('#ffa505', '~w~n', [_30430]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_30430, must_det_ll(user:metta_anew(load, ['Cons', 1, ['Cons', 2, 'Nil']], metta_atom('&self', ['Cons', 1, ['Cons', 2, 'Nil']])))), (_30430==""->true;our_ansi_format('#ffa505', '~w~n', [_30430]))))
(Cons 1
(Cons 2 Nil))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, ['Cons', 1, ['Cons', 2, 'Nil']], metta_atom('&self', ['Cons', 1, ['Cons', 2, 'Nil']])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, ['Cons', 1, ['Cons', 2, 'Nil']], metta_atom('&self', ['Cons', 1, ['Cons', 2, 'Nil']])))
Exit: (205) [user] asserted_do_metta2('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']], ['Cons', 1, ['Cons', 2, 'Nil']])
Exit: (204) [user] asserted_do_metta('&self', load, ['Cons', 1, ['Cons', 2, 'Nil']])
Exit: (203) [user] asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']])
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]))*->'True'='True';'True'='False'), error(_3616, _3618), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, ['Cons', 1, ['Cons', 2, 'Nil']]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', ['Cons', 1, ['Cons', 2, 'Nil']], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, notation, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(81, 1, 81, 81))
^ Exit: (193) [user] metta_file_buffer(+, notation, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(81, 1, 81, 81))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436)
Call: (196) [system] var(notation)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] notation==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436)
Call: (196) [system] string(notation)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, notation, _131930), pfcAdd_Now('next-operation'(_131930)))
^ Unify: (196) [user] if_t(into_simple_op(+, notation, _131930), pfcAdd_Now('next-operation'(_131930)))
Call: (197) [user] into_simple_op(+, notation, _131930)
Fail: (197) [user] into_simple_op(+, notation, _131930)
^ Redo: (196) [user] if_t(into_simple_op(+, notation, _131930), pfcAdd_Now('next-operation'(_131930)))
^ Exit: (196) [user] if_t(into_simple_op(+, notation, _131930), pfcAdd_Now('next-operation'(_131930)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, notation), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, notation), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, notation), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, notation), _3436)
Call: (199) [system] asserted_do_metta('&self', +, notation)\=[_141212|_141214]
Exit: (199) [system] asserted_do_metta('&self', +, notation)\=[_141212|_141214]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, notation))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, notation))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, notation))*->_3436='True';_3436='False'), error(_144950, _144952), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, notation))*->_3436='True';_3436='False'), error(_144950, _144952), fail)
Call: (203) [user] asserted_do_metta('&self', +, notation)
Unify: (203) [user] asserted_do_metta('&self', +, notation)
Call: (204) [user] metta_interp_mode(+, _148666)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, notation)
Unify: (204) [user] asserted_do_metta('&self', load, notation)
Call: (205) [user] metta_interp_mode(load, _153256)
Redo: (204) [user] asserted_do_metta('&self', load, notation)
Unify: (204) [user] asserted_do_metta('&self', load, notation)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, notation)
Unify: (204) [user] asserted_do_metta('&self', load, notation)
Call: (205) [user] asserted_do_metta2('&self', load, notation, notation)
Unify: (205) [user] asserted_do_metta2('&self', load, notation, notation)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _162478)
Redo: (205) [user] asserted_do_metta2('&self', load, notation, notation)
Unify: (205) [user] asserted_do_metta2('&self', load, notation, notation)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, notation, metta_atom('&self', notation)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, notation, metta_atom('&self', notation)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_168954, _168956), once(user:is_compatio0), '$restore_trace'(_168954, _168956))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_168954, _168956), system:once(user:is_compatio0), system:'$restore_trace'(_168954, _168956))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_168954, _168956))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, notation, metta_atom('&self', notation)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, notation, metta_atom('&self', notation)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_174572, must_det_ll(user:metta_anew(load, notation, metta_atom('&self', notation)))), (_174572==""->true;our_ansi_format('#ffa505', '~w~n', [_174572]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_174572, must_det_ll(user:metta_anew(load, notation, metta_atom('&self', notation)))), (_174572==""->true;our_ansi_format('#ffa505', '~w~n', [_174572]))))
notation
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, notation, metta_atom('&self', notation)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, notation, metta_atom('&self', notation)))
Exit: (205) [user] asserted_do_metta2('&self', load, notation, notation)
Exit: (204) [user] asserted_do_metta('&self', load, notation)
Exit: (203) [user] asserted_do_metta('&self', +, notation)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, notation))*->'True'='True';'True'='False'), error(_144950, _144952), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, notation))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, notation), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, notation), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', notation, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, to, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(90, 1, 90, 90))
^ Exit: (193) [user] metta_file_buffer(+, to, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(90, 1, 90, 90))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436)
Call: (196) [system] var(to)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] to==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436)
Call: (196) [system] string(to)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, to, _276020), pfcAdd_Now('next-operation'(_276020)))
^ Unify: (196) [user] if_t(into_simple_op(+, to, _276020), pfcAdd_Now('next-operation'(_276020)))
Call: (197) [user] into_simple_op(+, to, _276020)
Fail: (197) [user] into_simple_op(+, to, _276020)
^ Redo: (196) [user] if_t(into_simple_op(+, to, _276020), pfcAdd_Now('next-operation'(_276020)))
^ Exit: (196) [user] if_t(into_simple_op(+, to, _276020), pfcAdd_Now('next-operation'(_276020)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, to), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, to), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, to), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, to), _3436)
Call: (199) [system] asserted_do_metta('&self', +, to)\=[_285302|_285304]
Exit: (199) [system] asserted_do_metta('&self', +, to)\=[_285302|_285304]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, to))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, to))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, to))*->_3436='True';_3436='False'), error(_289040, _289042), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, to))*->_3436='True';_3436='False'), error(_289040, _289042), fail)
Call: (203) [user] asserted_do_metta('&self', +, to)
Unify: (203) [user] asserted_do_metta('&self', +, to)
Call: (204) [user] metta_interp_mode(+, _292756)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, to)
Unify: (204) [user] asserted_do_metta('&self', load, to)
Call: (205) [user] metta_interp_mode(load, _297346)
Redo: (204) [user] asserted_do_metta('&self', load, to)
Unify: (204) [user] asserted_do_metta('&self', load, to)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, to)
Unify: (204) [user] asserted_do_metta('&self', load, to)
Call: (205) [user] asserted_do_metta2('&self', load, to, to)
Unify: (205) [user] asserted_do_metta2('&self', load, to, to)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _306568)
Redo: (205) [user] asserted_do_metta2('&self', load, to, to)
Unify: (205) [user] asserted_do_metta2('&self', load, to, to)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, to, metta_atom('&self', to)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, to, metta_atom('&self', to)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_313044, _313046), once(user:is_compatio0), '$restore_trace'(_313044, _313046))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_313044, _313046), system:once(user:is_compatio0), system:'$restore_trace'(_313044, _313046))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_313044, _313046))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, to, metta_atom('&self', to)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, to, metta_atom('&self', to)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_318662, must_det_ll(user:metta_anew(load, to, metta_atom('&self', to)))), (_318662==""->true;our_ansi_format('#ffa505', '~w~n', [_318662]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_318662, must_det_ll(user:metta_anew(load, to, metta_atom('&self', to)))), (_318662==""->true;our_ansi_format('#ffa505', '~w~n', [_318662]))))
to
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, to, metta_atom('&self', to)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, to, metta_atom('&self', to)))
Exit: (205) [user] asserted_do_metta2('&self', load, to, to)
Exit: (204) [user] asserted_do_metta('&self', load, to)
Exit: (203) [user] asserted_do_metta('&self', +, to)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, to))*->'True'='True';'True'='False'), error(_289040, _289042), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, to))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, to), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, to), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', to, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, prevent, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(93, 1, 93, 93))
^ Exit: (193) [user] metta_file_buffer(+, prevent, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(93, 1, 93, 93))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436)
Call: (196) [system] var(prevent)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] prevent==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436)
Call: (196) [system] string(prevent)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, prevent, _420108), pfcAdd_Now('next-operation'(_420108)))
^ Unify: (196) [user] if_t(into_simple_op(+, prevent, _420108), pfcAdd_Now('next-operation'(_420108)))
Call: (197) [user] into_simple_op(+, prevent, _420108)
Fail: (197) [user] into_simple_op(+, prevent, _420108)
^ Redo: (196) [user] if_t(into_simple_op(+, prevent, _420108), pfcAdd_Now('next-operation'(_420108)))
^ Exit: (196) [user] if_t(into_simple_op(+, prevent, _420108), pfcAdd_Now('next-operation'(_420108)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, prevent), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, prevent), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, prevent), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, prevent), _3436)
Call: (199) [system] asserted_do_metta('&self', +, prevent)\=[_429390|_429392]
Exit: (199) [system] asserted_do_metta('&self', +, prevent)\=[_429390|_429392]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, prevent))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, prevent))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, prevent))*->_3436='True';_3436='False'), error(_433128, _433130), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, prevent))*->_3436='True';_3436='False'), error(_433128, _433130), fail)
Call: (203) [user] asserted_do_metta('&self', +, prevent)
Unify: (203) [user] asserted_do_metta('&self', +, prevent)
Call: (204) [user] metta_interp_mode(+, _436844)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, prevent)
Unify: (204) [user] asserted_do_metta('&self', load, prevent)
Call: (205) [user] metta_interp_mode(load, _441434)
Redo: (204) [user] asserted_do_metta('&self', load, prevent)
Unify: (204) [user] asserted_do_metta('&self', load, prevent)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, prevent)
Unify: (204) [user] asserted_do_metta('&self', load, prevent)
Call: (205) [user] asserted_do_metta2('&self', load, prevent, prevent)
Unify: (205) [user] asserted_do_metta2('&self', load, prevent, prevent)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _450656)
Redo: (205) [user] asserted_do_metta2('&self', load, prevent, prevent)
Unify: (205) [user] asserted_do_metta2('&self', load, prevent, prevent)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, prevent, metta_atom('&self', prevent)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, prevent, metta_atom('&self', prevent)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_457132, _457134), once(user:is_compatio0), '$restore_trace'(_457132, _457134))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_457132, _457134), system:once(user:is_compatio0), system:'$restore_trace'(_457132, _457134))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_457132, _457134))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, prevent, metta_atom('&self', prevent)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, prevent, metta_atom('&self', prevent)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_462750, must_det_ll(user:metta_anew(load, prevent, metta_atom('&self', prevent)))), (_462750==""->true;our_ansi_format('#ffa505', '~w~n', [_462750]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_462750, must_det_ll(user:metta_anew(load, prevent, metta_atom('&self', prevent)))), (_462750==""->true;our_ansi_format('#ffa505', '~w~n', [_462750]))))
prevent
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, prevent, metta_atom('&self', prevent)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, prevent, metta_atom('&self', prevent)))
Exit: (205) [user] asserted_do_metta2('&self', load, prevent, prevent)
Exit: (204) [user] asserted_do_metta('&self', load, prevent)
Exit: (203) [user] asserted_do_metta('&self', +, prevent)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, prevent))*->'True'='True';'True'='False'), error(_433128, _433130), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, prevent))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, prevent), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, prevent), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', prevent, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, code, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(101, 1, 101, 101))
^ Exit: (193) [user] metta_file_buffer(+, code, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(101, 1, 101, 101))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436)
Call: (196) [system] var(code)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] code==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436)
Call: (196) [system] string(code)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, code, _44762), pfcAdd_Now('next-operation'(_44762)))
^ Unify: (196) [user] if_t(into_simple_op(+, code, _44762), pfcAdd_Now('next-operation'(_44762)))
Call: (197) [user] into_simple_op(+, code, _44762)
Fail: (197) [user] into_simple_op(+, code, _44762)
^ Redo: (196) [user] if_t(into_simple_op(+, code, _44762), pfcAdd_Now('next-operation'(_44762)))
^ Exit: (196) [user] if_t(into_simple_op(+, code, _44762), pfcAdd_Now('next-operation'(_44762)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, code), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, code), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, code), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, code), _3436)
Call: (199) [system] asserted_do_metta('&self', +, code)\=[_54044|_54046]
Exit: (199) [system] asserted_do_metta('&self', +, code)\=[_54044|_54046]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, code))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, code))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, code))*->_3436='True';_3436='False'), error(_57782, _57784), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, code))*->_3436='True';_3436='False'), error(_57782, _57784), fail)
Call: (203) [user] asserted_do_metta('&self', +, code)
Unify: (203) [user] asserted_do_metta('&self', +, code)
Call: (204) [user] metta_interp_mode(+, _61498)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, code)
Unify: (204) [user] asserted_do_metta('&self', load, code)
Call: (205) [user] metta_interp_mode(load, _66088)
Redo: (204) [user] asserted_do_metta('&self', load, code)
Unify: (204) [user] asserted_do_metta('&self', load, code)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, code)
Unify: (204) [user] asserted_do_metta('&self', load, code)
Call: (205) [user] asserted_do_metta2('&self', load, code, code)
Unify: (205) [user] asserted_do_metta2('&self', load, code, code)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _75310)
Redo: (205) [user] asserted_do_metta2('&self', load, code, code)
Unify: (205) [user] asserted_do_metta2('&self', load, code, code)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, code, metta_atom('&self', code)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, code, metta_atom('&self', code)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_81786, _81788), once(user:is_compatio0), '$restore_trace'(_81786, _81788))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_81786, _81788), system:once(user:is_compatio0), system:'$restore_trace'(_81786, _81788))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_81786, _81788))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, code, metta_atom('&self', code)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, code, metta_atom('&self', code)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_87404, must_det_ll(user:metta_anew(load, code, metta_atom('&self', code)))), (_87404==""->true;our_ansi_format('#ffa505', '~w~n', [_87404]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_87404, must_det_ll(user:metta_anew(load, code, metta_atom('&self', code)))), (_87404==""->true;our_ansi_format('#ffa505', '~w~n', [_87404]))))
code
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, code, metta_atom('&self', code)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, code, metta_atom('&self', code)))
Exit: (205) [user] asserted_do_metta2('&self', load, code, code)
Exit: (204) [user] asserted_do_metta('&self', load, code)
Exit: (203) [user] asserted_do_metta('&self', +, code)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, code))*->'True'='True';'True'='False'), error(_57782, _57784), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, code))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, code), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, code), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', code, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, duplication, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(106, 1, 106, 106))
^ Exit: (193) [user] metta_file_buffer(+, duplication, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(106, 1, 106, 106))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436)
Call: (196) [system] var(duplication)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] duplication==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436)
Call: (196) [system] string(duplication)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, duplication, _188850), pfcAdd_Now('next-operation'(_188850)))
^ Unify: (196) [user] if_t(into_simple_op(+, duplication, _188850), pfcAdd_Now('next-operation'(_188850)))
Call: (197) [user] into_simple_op(+, duplication, _188850)
Fail: (197) [user] into_simple_op(+, duplication, _188850)
^ Redo: (196) [user] if_t(into_simple_op(+, duplication, _188850), pfcAdd_Now('next-operation'(_188850)))
^ Exit: (196) [user] if_t(into_simple_op(+, duplication, _188850), pfcAdd_Now('next-operation'(_188850)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, duplication), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, duplication), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, duplication), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, duplication), _3436)
Call: (199) [system] asserted_do_metta('&self', +, duplication)\=[_198132|_198134]
Exit: (199) [system] asserted_do_metta('&self', +, duplication)\=[_198132|_198134]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, duplication))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, duplication))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, duplication))*->_3436='True';_3436='False'), error(_201870, _201872), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, duplication))*->_3436='True';_3436='False'), error(_201870, _201872), fail)
Call: (203) [user] asserted_do_metta('&self', +, duplication)
Unify: (203) [user] asserted_do_metta('&self', +, duplication)
Call: (204) [user] metta_interp_mode(+, _205586)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, duplication)
Unify: (204) [user] asserted_do_metta('&self', load, duplication)
Call: (205) [user] metta_interp_mode(load, _210176)
Redo: (204) [user] asserted_do_metta('&self', load, duplication)
Unify: (204) [user] asserted_do_metta('&self', load, duplication)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, duplication)
Unify: (204) [user] asserted_do_metta('&self', load, duplication)
Call: (205) [user] asserted_do_metta2('&self', load, duplication, duplication)
Unify: (205) [user] asserted_do_metta2('&self', load, duplication, duplication)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _219398)
Redo: (205) [user] asserted_do_metta2('&self', load, duplication, duplication)
Unify: (205) [user] asserted_do_metta2('&self', load, duplication, duplication)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, duplication, metta_atom('&self', duplication)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, duplication, metta_atom('&self', duplication)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_225874, _225876), once(user:is_compatio0), '$restore_trace'(_225874, _225876))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_225874, _225876), system:once(user:is_compatio0), system:'$restore_trace'(_225874, _225876))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_225874, _225876))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, duplication, metta_atom('&self', duplication)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, duplication, metta_atom('&self', duplication)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_231492, must_det_ll(user:metta_anew(load, duplication, metta_atom('&self', duplication)))), (_231492==""->true;our_ansi_format('#ffa505', '~w~n', [_231492]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_231492, must_det_ll(user:metta_anew(load, duplication, metta_atom('&self', duplication)))), (_231492==""->true;our_ansi_format('#ffa505', '~w~n', [_231492]))))
duplication
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, duplication, metta_atom('&self', duplication)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, duplication, metta_atom('&self', duplication)))
Exit: (205) [user] asserted_do_metta2('&self', load, duplication, duplication)
Exit: (204) [user] asserted_do_metta('&self', load, duplication)
Exit: (203) [user] asserted_do_metta('&self', +, duplication)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, duplication))*->'True'='True';'True'='False'), error(_201870, _201872), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, duplication))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, duplication), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, duplication), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', duplication, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, #, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(118, 1, 118, 118))
^ Exit: (193) [user] metta_file_buffer(+, #, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(118, 1, 118, 118))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436)
Call: (196) [system] var(#)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] # == []
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436)
Call: (196) [system] string(#)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, #, _332940), pfcAdd_Now('next-operation'(_332940)))
^ Unify: (196) [user] if_t(into_simple_op(+, #, _332940), pfcAdd_Now('next-operation'(_332940)))
Call: (197) [user] into_simple_op(+, #, _332940)
Fail: (197) [user] into_simple_op(+, #, _332940)
^ Redo: (196) [user] if_t(into_simple_op(+, #, _332940), pfcAdd_Now('next-operation'(_332940)))
^ Exit: (196) [user] if_t(into_simple_op(+, #, _332940), pfcAdd_Now('next-operation'(_332940)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, #), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, #), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, #), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, #), _3436)
Call: (199) [system] asserted_do_metta('&self', +, #)\=[_342222|_342224]
Exit: (199) [system] asserted_do_metta('&self', +, #)\=[_342222|_342224]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, #))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, #))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, #))*->_3436='True';_3436='False'), error(_345960, _345962), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, #))*->_3436='True';_3436='False'), error(_345960, _345962), fail)
Call: (203) [user] asserted_do_metta('&self', +, #)
Unify: (203) [user] asserted_do_metta('&self', +, #)
Call: (204) [user] metta_interp_mode(+, _349676)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, #)
Unify: (204) [user] asserted_do_metta('&self', load, #)
Call: (205) [user] metta_interp_mode(load, _354266)
Redo: (204) [user] asserted_do_metta('&self', load, #)
Unify: (204) [user] asserted_do_metta('&self', load, #)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, #)
Unify: (204) [user] asserted_do_metta('&self', load, #)
Call: (205) [user] asserted_do_metta2('&self', load, #, #)
Unify: (205) [user] asserted_do_metta2('&self', load, #, #)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _363488)
Redo: (205) [user] asserted_do_metta2('&self', load, #, #)
Unify: (205) [user] asserted_do_metta2('&self', load, #, #)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_369964, _369966), once(user:is_compatio0), '$restore_trace'(_369964, _369966))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_369964, _369966), system:once(user:is_compatio0), system:'$restore_trace'(_369964, _369966))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_369964, _369966))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_375582, must_det_ll(user:metta_anew(load, #, metta_atom('&self', #)))), (_375582==""->true;our_ansi_format('#ffa505', '~w~n', [_375582]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_375582, must_det_ll(user:metta_anew(load, #, metta_atom('&self', #)))), (_375582==""->true;our_ansi_format('#ffa505', '~w~n', [_375582]))))
#
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, #, metta_atom('&self', #)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, #, metta_atom('&self', #)))
Exit: (205) [user] asserted_do_metta2('&self', load, #, #)
Exit: (204) [user] asserted_do_metta('&self', load, #)
Exit: (203) [user] asserted_do_metta('&self', +, #)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, #))*->'True'='True';'True'='False'), error(_345960, _345962), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, #))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, #), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, #), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', #, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, as, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(120, 2, 1, 120))
^ Exit: (193) [user] metta_file_buffer(+, as, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(120, 2, 1, 120))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436)
Call: (196) [system] var(as)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] (as)==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436)
Call: (196) [system] string(as)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, as, _476644), pfcAdd_Now('next-operation'(_476644)))
^ Unify: (196) [user] if_t(into_simple_op(+, as, _476644), pfcAdd_Now('next-operation'(_476644)))
Call: (197) [user] into_simple_op(+, as, _476644)
Fail: (197) [user] into_simple_op(+, as, _476644)
^ Redo: (196) [user] if_t(into_simple_op(+, as, _476644), pfcAdd_Now('next-operation'(_476644)))
^ Exit: (196) [user] if_t(into_simple_op(+, as, _476644), pfcAdd_Now('next-operation'(_476644)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, as), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, as), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, as), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, as), _3436)
Call: (199) [system] asserted_do_metta('&self', +, as)\=[_485926|_485928]
Exit: (199) [system] asserted_do_metta('&self', +, as)\=[_485926|_485928]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, as))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, as))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, as))*->_3436='True';_3436='False'), error(_489664, _489666), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, as))*->_3436='True';_3436='False'), error(_489664, _489666), fail)
Call: (203) [user] asserted_do_metta('&self', +, as)
Unify: (203) [user] asserted_do_metta('&self', +, as)
Call: (204) [user] metta_interp_mode(+, _493380)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, as)
Unify: (204) [user] asserted_do_metta('&self', load, as)
Call: (205) [user] metta_interp_mode(load, _497970)
Redo: (204) [user] asserted_do_metta('&self', load, as)
Unify: (204) [user] asserted_do_metta('&self', load, as)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, as)
Unify: (204) [user] asserted_do_metta('&self', load, as)
Call: (205) [user] asserted_do_metta2('&self', load, as, as)
Unify: (205) [user] asserted_do_metta2('&self', load, as, as)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _507192)
Redo: (205) [user] asserted_do_metta2('&self', load, as, as)
Unify: (205) [user] asserted_do_metta2('&self', load, as, as)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, as, metta_atom('&self', as)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, as, metta_atom('&self', as)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_513668, _513670), once(user:is_compatio0), '$restore_trace'(_513668, _513670))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_513668, _513670), system:once(user:is_compatio0), system:'$restore_trace'(_513668, _513670))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_513668, _513670))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, as, metta_atom('&self', as)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, as, metta_atom('&self', as)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_519286, must_det_ll(user:metta_anew(load, as, metta_atom('&self', as)))), (_519286==""->true;our_ansi_format('#ffa505', '~w~n', [_519286]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_519286, must_det_ll(user:metta_anew(load, as, metta_atom('&self', as)))), (_519286==""->true;our_ansi_format('#ffa505', '~w~n', [_519286]))))
as
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, as, metta_atom('&self', as)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, as, metta_atom('&self', as)))
Exit: (205) [user] asserted_do_metta2('&self', load, as, as)
Exit: (204) [user] asserted_do_metta('&self', load, as)
Exit: (203) [user] asserted_do_metta('&self', +, as)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, as))*->'True'='True';'True'='False'), error(_3572, _3574), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, as))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, as), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, as), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', as, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, it, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(123, 2, 4, 123))
^ Exit: (193) [user] metta_file_buffer(+, it, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(123, 2, 4, 123))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436)
Call: (196) [system] var(it)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] it==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436)
Call: (196) [system] string(it)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, it, _102516), pfcAdd_Now('next-operation'(_102516)))
^ Unify: (196) [user] if_t(into_simple_op(+, it, _102516), pfcAdd_Now('next-operation'(_102516)))
Call: (197) [user] into_simple_op(+, it, _102516)
Fail: (197) [user] into_simple_op(+, it, _102516)
^ Redo: (196) [user] if_t(into_simple_op(+, it, _102516), pfcAdd_Now('next-operation'(_102516)))
^ Exit: (196) [user] if_t(into_simple_op(+, it, _102516), pfcAdd_Now('next-operation'(_102516)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, it), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, it), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, it), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, it), _3436)
Call: (199) [system] asserted_do_metta('&self', +, it)\=[_111798|_111800]
Exit: (199) [system] asserted_do_metta('&self', +, it)\=[_111798|_111800]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, it))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, it))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, it))*->_3436='True';_3436='False'), error(_115536, _115538), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, it))*->_3436='True';_3436='False'), error(_115536, _115538), fail)
Call: (203) [user] asserted_do_metta('&self', +, it)
Unify: (203) [user] asserted_do_metta('&self', +, it)
Call: (204) [user] metta_interp_mode(+, _119252)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, it)
Unify: (204) [user] asserted_do_metta('&self', load, it)
Call: (205) [user] metta_interp_mode(load, _123842)
Redo: (204) [user] asserted_do_metta('&self', load, it)
Unify: (204) [user] asserted_do_metta('&self', load, it)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, it)
Unify: (204) [user] asserted_do_metta('&self', load, it)
Call: (205) [user] asserted_do_metta2('&self', load, it, it)
Unify: (205) [user] asserted_do_metta2('&self', load, it, it)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _133064)
Redo: (205) [user] asserted_do_metta2('&self', load, it, it)
Unify: (205) [user] asserted_do_metta2('&self', load, it, it)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, it, metta_atom('&self', it)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, it, metta_atom('&self', it)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_139540, _139542), once(user:is_compatio0), '$restore_trace'(_139540, _139542))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_139540, _139542), system:once(user:is_compatio0), system:'$restore_trace'(_139540, _139542))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_139540, _139542))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, it, metta_atom('&self', it)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, it, metta_atom('&self', it)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_145158, must_det_ll(user:metta_anew(load, it, metta_atom('&self', it)))), (_145158==""->true;our_ansi_format('#ffa505', '~w~n', [_145158]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_145158, must_det_ll(user:metta_anew(load, it, metta_atom('&self', it)))), (_145158==""->true;our_ansi_format('#ffa505', '~w~n', [_145158]))))
it
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, it, metta_atom('&self', it)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, it, metta_atom('&self', it)))
Exit: (205) [user] asserted_do_metta2('&self', load, it, it)
Exit: (204) [user] asserted_do_metta('&self', load, it)
Exit: (203) [user] asserted_do_metta('&self', +, it)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, it))*->'True'='True';'True'='False'), error(_115536, _115538), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, it))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, it), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, it), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', it, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, was, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(126, 2, 7, 126))
^ Exit: (193) [user] metta_file_buffer(+, was, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(126, 2, 7, 126))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436)
Call: (196) [system] var(was)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] was==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436)
Call: (196) [system] string(was)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, was, _246604), pfcAdd_Now('next-operation'(_246604)))
^ Unify: (196) [user] if_t(into_simple_op(+, was, _246604), pfcAdd_Now('next-operation'(_246604)))
Call: (197) [user] into_simple_op(+, was, _246604)
Fail: (197) [user] into_simple_op(+, was, _246604)
^ Redo: (196) [user] if_t(into_simple_op(+, was, _246604), pfcAdd_Now('next-operation'(_246604)))
^ Exit: (196) [user] if_t(into_simple_op(+, was, _246604), pfcAdd_Now('next-operation'(_246604)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, was), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, was), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, was), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, was), _3436)
Call: (199) [system] asserted_do_metta('&self', +, was)\=[_255886|_255888]
Exit: (199) [system] asserted_do_metta('&self', +, was)\=[_255886|_255888]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, was))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, was))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, was))*->_3436='True';_3436='False'), error(_259624, _259626), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, was))*->_3436='True';_3436='False'), error(_259624, _259626), fail)
Call: (203) [user] asserted_do_metta('&self', +, was)
Unify: (203) [user] asserted_do_metta('&self', +, was)
Call: (204) [user] metta_interp_mode(+, _263340)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, was)
Unify: (204) [user] asserted_do_metta('&self', load, was)
Call: (205) [user] metta_interp_mode(load, _267930)
Redo: (204) [user] asserted_do_metta('&self', load, was)
Unify: (204) [user] asserted_do_metta('&self', load, was)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, was)
Unify: (204) [user] asserted_do_metta('&self', load, was)
Call: (205) [user] asserted_do_metta2('&self', load, was, was)
Unify: (205) [user] asserted_do_metta2('&self', load, was, was)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _277152)
Redo: (205) [user] asserted_do_metta2('&self', load, was, was)
Unify: (205) [user] asserted_do_metta2('&self', load, was, was)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, was, metta_atom('&self', was)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, was, metta_atom('&self', was)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_283628, _283630), once(user:is_compatio0), '$restore_trace'(_283628, _283630))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_283628, _283630), system:once(user:is_compatio0), system:'$restore_trace'(_283628, _283630))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_283628, _283630))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, was, metta_atom('&self', was)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, was, metta_atom('&self', was)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_289246, must_det_ll(user:metta_anew(load, was, metta_atom('&self', was)))), (_289246==""->true;our_ansi_format('#ffa505', '~w~n', [_289246]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_289246, must_det_ll(user:metta_anew(load, was, metta_atom('&self', was)))), (_289246==""->true;our_ansi_format('#ffa505', '~w~n', [_289246]))))
was
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, was, metta_atom('&self', was)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, was, metta_atom('&self', was)))
Exit: (205) [user] asserted_do_metta2('&self', load, was, was)
Exit: (204) [user] asserted_do_metta('&self', load, was)
Exit: (203) [user] asserted_do_metta('&self', +, was)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, was))*->'True'='True';'True'='False'), error(_259624, _259626), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, was))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, was), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, was), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', was, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, in, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(130, 2, 11, 130))
^ Exit: (193) [user] metta_file_buffer(+, in, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(130, 2, 11, 130))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436)
Call: (196) [system] var(in)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] (in)==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436)
Call: (196) [system] string(in)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, in, _390692), pfcAdd_Now('next-operation'(_390692)))
^ Unify: (196) [user] if_t(into_simple_op(+, in, _390692), pfcAdd_Now('next-operation'(_390692)))
Call: (197) [user] into_simple_op(+, in, _390692)
Fail: (197) [user] into_simple_op(+, in, _390692)
^ Redo: (196) [user] if_t(into_simple_op(+, in, _390692), pfcAdd_Now('next-operation'(_390692)))
^ Exit: (196) [user] if_t(into_simple_op(+, in, _390692), pfcAdd_Now('next-operation'(_390692)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, in), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, in), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, in), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, in), _3436)
Call: (199) [system] asserted_do_metta('&self', +, in)\=[_399974|_399976]
Exit: (199) [system] asserted_do_metta('&self', +, in)\=[_399974|_399976]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, in))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, in))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, in))*->_3436='True';_3436='False'), error(_403712, _403714), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, in))*->_3436='True';_3436='False'), error(_403712, _403714), fail)
Call: (203) [user] asserted_do_metta('&self', +, in)
Unify: (203) [user] asserted_do_metta('&self', +, in)
Call: (204) [user] metta_interp_mode(+, _407428)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, in)
Unify: (204) [user] asserted_do_metta('&self', load, in)
Call: (205) [user] metta_interp_mode(load, _412018)
Redo: (204) [user] asserted_do_metta('&self', load, in)
Unify: (204) [user] asserted_do_metta('&self', load, in)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, in)
Unify: (204) [user] asserted_do_metta('&self', load, in)
Call: (205) [user] asserted_do_metta2('&self', load, in, in)
Unify: (205) [user] asserted_do_metta2('&self', load, in, in)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _421240)
Redo: (205) [user] asserted_do_metta2('&self', load, in, in)
Unify: (205) [user] asserted_do_metta2('&self', load, in, in)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, in, metta_atom('&self', in)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, in, metta_atom('&self', in)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_427716, _427718), once(user:is_compatio0), '$restore_trace'(_427716, _427718))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_427716, _427718), system:once(user:is_compatio0), system:'$restore_trace'(_427716, _427718))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_427716, _427718))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, in, metta_atom('&self', in)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, in, metta_atom('&self', in)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_433334, must_det_ll(user:metta_anew(load, in, metta_atom('&self', in)))), (_433334==""->true;our_ansi_format('#ffa505', '~w~n', [_433334]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_433334, must_det_ll(user:metta_anew(load, in, metta_atom('&self', in)))), (_433334==""->true;our_ansi_format('#ffa505', '~w~n', [_433334]))))
in
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, in, metta_atom('&self', in)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, in, metta_atom('&self', in)))
Exit: (205) [user] asserted_do_metta2('&self', load, in, in)
Exit: (204) [user] asserted_do_metta('&self', load, in)
Exit: (203) [user] asserted_do_metta('&self', +, in)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, in))*->'True'='True';'True'='False'), error(_403712, _403714), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, in))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, in), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, in), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', in, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, previous, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(133, 2, 14, 133))
^ Exit: (193) [user] metta_file_buffer(+, previous, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(133, 2, 14, 133))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436)
Call: (196) [system] var(previous)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] previous==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436)
Call: (196) [system] string(previous)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, previous, _14450), pfcAdd_Now('next-operation'(_14450)))
^ Unify: (196) [user] if_t(into_simple_op(+, previous, _14450), pfcAdd_Now('next-operation'(_14450)))
Call: (197) [user] into_simple_op(+, previous, _14450)
Fail: (197) [user] into_simple_op(+, previous, _14450)
^ Redo: (196) [user] if_t(into_simple_op(+, previous, _14450), pfcAdd_Now('next-operation'(_14450)))
^ Exit: (196) [user] if_t(into_simple_op(+, previous, _14450), pfcAdd_Now('next-operation'(_14450)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, previous), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, previous), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, previous), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, previous), _3436)
Call: (199) [system] asserted_do_metta('&self', +, previous)\=[_23732|_23734]
Exit: (199) [system] asserted_do_metta('&self', +, previous)\=[_23732|_23734]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, previous))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, previous))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, previous))*->_3436='True';_3436='False'), error(_27470, _27472), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, previous))*->_3436='True';_3436='False'), error(_27470, _27472), fail)
Call: (203) [user] asserted_do_metta('&self', +, previous)
Unify: (203) [user] asserted_do_metta('&self', +, previous)
Call: (204) [user] metta_interp_mode(+, _31186)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, previous)
Unify: (204) [user] asserted_do_metta('&self', load, previous)
Call: (205) [user] metta_interp_mode(load, _35776)
Redo: (204) [user] asserted_do_metta('&self', load, previous)
Unify: (204) [user] asserted_do_metta('&self', load, previous)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, previous)
Unify: (204) [user] asserted_do_metta('&self', load, previous)
Call: (205) [user] asserted_do_metta2('&self', load, previous, previous)
Unify: (205) [user] asserted_do_metta2('&self', load, previous, previous)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _44998)
Redo: (205) [user] asserted_do_metta2('&self', load, previous, previous)
Unify: (205) [user] asserted_do_metta2('&self', load, previous, previous)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, previous, metta_atom('&self', previous)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, previous, metta_atom('&self', previous)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_51474, _51476), once(user:is_compatio0), '$restore_trace'(_51474, _51476))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_51474, _51476), system:once(user:is_compatio0), system:'$restore_trace'(_51474, _51476))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_51474, _51476))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, previous, metta_atom('&self', previous)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, previous, metta_atom('&self', previous)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_57092, must_det_ll(user:metta_anew(load, previous, metta_atom('&self', previous)))), (_57092==""->true;our_ansi_format('#ffa505', '~w~n', [_57092]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_57092, must_det_ll(user:metta_anew(load, previous, metta_atom('&self', previous)))), (_57092==""->true;our_ansi_format('#ffa505', '~w~n', [_57092]))))
previous
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, previous, metta_atom('&self', previous)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, previous, metta_atom('&self', previous)))
Exit: (205) [user] asserted_do_metta2('&self', load, previous, previous)
Exit: (204) [user] asserted_do_metta('&self', load, previous)
Exit: (203) [user] asserted_do_metta('&self', +, previous)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, previous))*->'True'='True';'True'='False'), error(_27470, _27472), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, previous))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, previous), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, previous), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', previous, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, chapter, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(142, 2, 23, 142))
^ Exit: (193) [user] metta_file_buffer(+, chapter, [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(142, 2, 23, 142))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Call: (196) [system] var(chapter)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] chapter==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Call: (196) [system] string(chapter)
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, chapter, _158540), pfcAdd_Now('next-operation'(_158540)))
^ Unify: (196) [user] if_t(into_simple_op(+, chapter, _158540), pfcAdd_Now('next-operation'(_158540)))
Call: (197) [user] into_simple_op(+, chapter, _158540)
Fail: (197) [user] into_simple_op(+, chapter, _158540)
^ Redo: (196) [user] if_t(into_simple_op(+, chapter, _158540), pfcAdd_Now('next-operation'(_158540)))
^ Exit: (196) [user] if_t(into_simple_op(+, chapter, _158540), pfcAdd_Now('next-operation'(_158540)))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, chapter), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, chapter), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, chapter), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, chapter), _3436)
Call: (199) [system] asserted_do_metta('&self', +, chapter)\=[_167822|_167824]
Exit: (199) [system] asserted_do_metta('&self', +, chapter)\=[_167822|_167824]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, chapter))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, chapter))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, chapter))*->_3436='True';_3436='False'), error(_171560, _171562), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, chapter))*->_3436='True';_3436='False'), error(_171560, _171562), fail)
Call: (203) [user] asserted_do_metta('&self', +, chapter)
Unify: (203) [user] asserted_do_metta('&self', +, chapter)
Call: (204) [user] metta_interp_mode(+, _175276)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, chapter)
Unify: (204) [user] asserted_do_metta('&self', load, chapter)
Call: (205) [user] metta_interp_mode(load, _179866)
Redo: (204) [user] asserted_do_metta('&self', load, chapter)
Unify: (204) [user] asserted_do_metta('&self', load, chapter)
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, chapter)
Unify: (204) [user] asserted_do_metta('&self', load, chapter)
Call: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
Unify: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _189088)
Redo: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
Unify: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_195564, _195566), once(user:is_compatio0), '$restore_trace'(_195564, _195566))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_195564, _195566), system:once(user:is_compatio0), system:'$restore_trace'(_195564, _195566))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_195564, _195566))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_201182, must_det_ll(user:metta_anew(load, chapter, metta_atom('&self', chapter)))), (_201182==""->true;our_ansi_format('#ffa505', '~w~n', [_201182]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_201182, must_det_ll(user:metta_anew(load, chapter, metta_atom('&self', chapter)))), (_201182==""->true;our_ansi_format('#ffa505', '~w~n', [_201182]))))
chapter
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, chapter, metta_atom('&self', chapter)))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, chapter, metta_atom('&self', chapter)))
Exit: (205) [user] asserted_do_metta2('&self', load, chapter, chapter)
Exit: (204) [user] asserted_do_metta('&self', load, chapter)
Exit: (203) [user] asserted_do_metta('&self', +, chapter)
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, chapter))*->'True'='True';'True'='False'), error(_171560, _171562), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, chapter))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, chapter), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, chapter), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', chapter, 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['null?', _232212], [==, _232212, []]], ['_expr'=_232212], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(151, 2, 32, 151))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['null?', _232212], [==, _232212, []]], ['_expr'=_232212], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(151, 2, 32, 151))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_expr'=_232212])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_expr'=_232212])
Call: (195) [apply] apply:maplist_(['_expr'=_232212], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_expr'=_232212], user:maybe_assign)
Call: (196) [user] maybe_assign('_expr'=_232212)
Unify: (196) [user] maybe_assign('_expr'=_232212)
^ Call: (197) [user] ignore(_232212=_expr)
^ Unify: (197) [system] ignore(user:(_232212=_expr))
Call: (198) [system] _232212=_expr
Exit: (198) [system] _expr=_expr
^ Exit: (197) [system] ignore(user:(_expr=_expr))
Exit: (196) [user] maybe_assign('_expr'=_expr)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_expr'=_expr], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_expr'=_expr])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436)
Call: (196) [system] var([=, ['null?', _expr], [==, _expr, []]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['null?', _expr], [==, _expr, []]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436)
Call: (196) [system] string([=, ['null?', _expr], [==, _expr, []]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['null?', _expr], [==, _expr, []]], _312488), pfcAdd_Now('next-operation'(_312488)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['null?', _expr], [==, _expr, []]], _312488), pfcAdd_Now('next-operation'(_312488)))
Call: (197) [user] into_simple_op(+, [=, ['null?', _expr], [==, _expr, []]], _312488)
Unify: (197) [user] into_simple_op(+, [=, ['null?', _expr], [==, _expr, []]], op(+, =, _315280))
Call: (198) [user] o_s([['null?', _expr], [==, _expr, []]], _315280)
Unify: (198) [user] o_s([['null?', _expr], [==, _expr, []]], _315280)
Call: (199) [user] o_s(['null?', _expr], _315280)
Unify: (199) [user] o_s(['null?', _expr], _315280)
Call: (200) [user] o_s('null?', _315280)
Unify: (200) [user] o_s('null?', 'null?')
Exit: (200) [user] o_s('null?', 'null?')
Exit: (199) [user] o_s(['null?', _expr], 'null?')
Exit: (198) [user] o_s([['null?', _expr], [==, _expr, []]], 'null?')
Exit: (197) [user] into_simple_op(+, [=, ['null?', _expr], [==, _expr, []]], op(+, =, 'null?'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'null?')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'null?')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'null?'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'null?'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'null?'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'null?'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'null?')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'null?')))
^ Call: (199) [user] must_ex(current_why_UU(_336498))
^ Unify: (199) [user] must_ex(current_why_UU(_336498))
Call: (201) [user] current_why_UU(_336498)
Unify: (201) [user] current_why_UU(_336498)
^ Call: (202) [user] get_why_uu(_336498)
^ Unify: (202) [user] get_why_uu(_336498)
^ Call: (203) [user] findall(_342038, current_why(_342038), _342044)
^ Unify: (203) [$bags] findall(_342038, user:current_why(_342038), _342044)
^ Call: (204) [$bags] findall(_342038, user:current_why(_342038), _342044, [])
^ Unify: (204) [$bags] findall(_342038, user:current_why(_342038), _342044, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_342038, user:current_why(_342038), _342044, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_342038, user:current_why(_342038), _342044, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_342038, user:current_why(_342038), _342044, [])
Unify: (206) [$bags] findall_loop(_342038, user:current_why(_342038), _342044, [])
^ Call: (207) [user] bugger:current_why(_342038)
^ Unify: (207) [user] bugger:current_why(_342038)
^ Call: (208) [user] bugger:current_why_data(_342038)
^ Unify: (208) [user] bugger:current_why_data(_342038)
Call: (209) [system] nb_current('$current_why', wp(_342038, _353298))
Fail: (209) [system] nb_current('$current_why', wp(_342038, _353298))
^ Redo: (208) [user] bugger:current_why_data(_342038)
^ Unify: (208) [user] bugger:current_why_data(_342038)
Call: (209) [t_l] t_l:current_why_source(_342038)
Fail: (209) [t_l] t_l:current_why_source(_342038)
^ Fail: (208) [user] bugger:current_why_data(_342038)
^ Redo: (207) [user] bugger:current_why(_342038)
^ Unify: (207) [user] bugger:current_why(mfl4(_360726, _360728, _360730, _360732))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_361682, _361684), once(user:current_mfl4(_360726, _360728, _360730, _360732)), '$restore_trace'(_361682, _361684))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_361682, _361684), system:once(user:current_mfl4(_360726, _360728, _360730, _360732)), system:'$restore_trace'(_361682, _361684))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_361682, _361684))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_360726, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_360726, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_342038, user:current_why(_342038), _342044, [])
Exit: (206) [$bags] findall_loop(_342038, user:current_why(_342038), [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_342038, user:current_why(_342038), [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_342038, user:current_why(_342038), [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_342038, user:current_why(_342038), [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _336498)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _336498)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_498428, _498430)
Fail: (204) [system] [P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_498428, _498430)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _336498)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_378544, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3592)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _9334)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _9334)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _9334)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _9334)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _9334)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _9334)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _9334)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _9334)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _9334)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3592)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3592)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_372802, _372804)
Fail: (205) [system] P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_372802, _372804)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3592)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'null?')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'null?')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'null?')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'null?')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'null?')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3618, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'null?')), _13148)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'null?')), _13148)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'null?')), _13148)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _32984, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_32984)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _32984, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_32984)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _32984, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_32984)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _32984, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_32984)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _63506)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _32984, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_32984)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _32984, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_32984)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'null?')), P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'null?')), P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null?')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null?')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null?')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null?')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'null?')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'null?')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'null?')), _164158, _164160)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'null?')), user, 'next-operation'(op(+, =, 'null?')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null?')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null?')), true)
Call: (212) [system] _167902=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'null?')), true, _169772)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'null?')), true, _169772)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null?')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'null?')), true, _172600)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'null?')), true, _172600)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null?')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'null?')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null?')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null?')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null?')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'null?')));assert('next-operation'(op(+, =, 'null?'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'null?')));assert('next-operation'(op(+, =, 'null?'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'null?')));assert('next-operation'(op(+, =, 'null?')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'null?')));assert('next-operation'(op(+, =, 'null?')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'null?')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'null?')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'null?')), _199950, _199952)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'null?')), user, 'next-operation'(op(+, =, 'null?')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null?')), _201830, _201832)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'null?')))
Fail: (215) [system] var('next-operation'(op(+, =, 'null?')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null?')), _201830, _201832)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null?')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null?')), true)
Call: (215) [system] _210236=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'null?')), true, _212106)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'null?')), true, _212106)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null?')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'null?')), true, _214934)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'null?')), true, _214934)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null?')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'null?')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'null?')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'null?')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'null?')));assert('next-operation'(op(+, =, 'null?')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'null?')));assert('next-operation'(op(+, =, 'null?'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null?')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null?')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'null?')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'null?')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _271724)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _271724)
Call: (216) [system] var('next-operation'(op(+, =, 'null?')))
Fail: (216) [system] var('next-operation'(op(+, =, 'null?')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _271724)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _271724)
Call: (216) [system] compound('next-operation'(op(+, =, 'null?')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'null?')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _271724)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _271724)
Call: (216) [system] _282876 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'null?')), _284734)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'null?')), _284734)
Call: (217) [system] is_list('next-operation'(op(+, =, 'null?')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'null?')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'null?')), _284734)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'null?')), _284734)
Call: (217) [system] compound('next-operation'(op(+, =, 'null?')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'null?')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'null?')), _292144, _292146)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'null?')), 'next-operation', [op(+, =, 'null?')])
Call: (217) [lists] lists:member(_284734, ['next-operation', op(+, =, 'null?')])
Unify: (217) [lists] lists:member(_284734, ['next-operation', op(+, =, 'null?')])
Call: (218) [lists] lists:member_([op(+, =, 'null?')], _284734, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'null?')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'null?')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'null?')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'null?')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _271724)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _271724)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _271724)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _271724)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _271724)
Call: (217) [system] _271724='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'null?')], _284734, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'null?')], _284734, 'next-operation')
Call: (219) [lists] lists:member_([], _284734, op(+, =, 'null?'))
Unify: (219) [lists] lists:member_([], op(+, =, 'null?'), op(+, =, 'null?'))
Exit: (219) [lists] lists:member_([], op(+, =, 'null?'), op(+, =, 'null?'))
Exit: (218) [lists] lists:member_([op(+, =, 'null?')], op(+, =, 'null?'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'null?'), ['next-operation', op(+, =, 'null?')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'null?')), op(+, =, 'null?'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'null?'), _271724)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'null?'), _271724)
Call: (217) [system] var(op(+, =, 'null?'))
Fail: (217) [system] var(op(+, =, 'null?'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'null?'), _271724)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'null?'), _271724)
Call: (217) [system] compound(op(+, =, 'null?'))
Exit: (217) [system] compound(op(+, =, 'null?'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _271724=op(+, =, 'null?')
Exit: (217) [system] op(+, =, 'null?')=op(+, =, 'null?')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'null?'), op(+, =, 'null?'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), op(+, =, 'null?'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'null?'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'null?'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'null?')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null?')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null?')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _339524)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _339524)
Call: (215) [system] var('next-operation'(op(+, =, 'null?')))
Fail: (215) [system] var('next-operation'(op(+, =, 'null?')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _339524)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _339524)
Call: (215) [system] compound('next-operation'(op(+, =, 'null?')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'null?')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _339524)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), _339524)
Call: (215) [system] _350676 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'null?')), _352534)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'null?')), _352534)
Call: (216) [system] is_list('next-operation'(op(+, =, 'null?')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'null?')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'null?')), _352534)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'null?')), _352534)
Call: (216) [system] compound('next-operation'(op(+, =, 'null?')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'null?')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'null?')), _359944, _359946)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'null?')), 'next-operation', [op(+, =, 'null?')])
Call: (216) [lists] lists:member(_352534, ['next-operation', op(+, =, 'null?')])
Unify: (216) [lists] lists:member(_352534, ['next-operation', op(+, =, 'null?')])
Call: (217) [lists] lists:member_([op(+, =, 'null?')], _352534, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'null?')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'null?')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'null?')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'null?')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _339524)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _339524)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _339524)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _339524)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _339524)
Call: (216) [system] _339524='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'null?')], _352534, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'null?')], _352534, 'next-operation')
Call: (218) [lists] lists:member_([], _352534, op(+, =, 'null?'))
Unify: (218) [lists] lists:member_([], op(+, =, 'null?'), op(+, =, 'null?'))
Exit: (218) [lists] lists:member_([], op(+, =, 'null?'), op(+, =, 'null?'))
Exit: (217) [lists] lists:member_([op(+, =, 'null?')], op(+, =, 'null?'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'null?'), ['next-operation', op(+, =, 'null?')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'null?')), op(+, =, 'null?'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'null?'), _339524)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'null?'), _339524)
Call: (216) [system] var(op(+, =, 'null?'))
Fail: (216) [system] var(op(+, =, 'null?'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'null?'), _339524)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'null?'), _339524)
Call: (216) [system] compound(op(+, =, 'null?'))
Exit: (216) [system] compound(op(+, =, 'null?'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _339524=op(+, =, 'null?')
Exit: (216) [system] op(+, =, 'null?')=op(+, =, 'null?')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'null?'), op(+, =, 'null?'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null?')), op(+, =, 'null?'))
^ Call: (214) [user] pfcTraced(op(+, =, 'null?'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'null?'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null?')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'null?')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'null?')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_506196)
^ Unify: (212) [user] pfcGetSearch(_506196)
Call: (213) [t_l] t_l:pfcSearchTL(_508046)
Fail: (213) [t_l] t_l:pfcSearchTL(_508046)
^ Redo: (212) [user] pfcGetSearch(_506196)
^ Call: (213) [user] pfcSearch(_510820)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _506196=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'null?')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'null?')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'null?')), _17006)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'null?')), _17006)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'null?')), _17006)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'null?')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'null?')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'null?'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null?'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null?'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null?'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _27268)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null?'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null?'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'null?')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'null?')))
Call: (218) [system] is_list(_34764)
Fail: (218) [system] is_list(_34764)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'null?')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'null?')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'null?')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'null?')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'null?')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'null?')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'null?')), _42158)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'null?')), _47750), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'null?')), _47750), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'null?')), _47750), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'null?')), _47750), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _84820, _84822)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _84820, _84822)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _84820, _84822)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'null?')), _47750), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'null?')), _47750), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _96062)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), _97002)
Call: (224) [system] nonvar(_97860)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), _98862)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), _99796)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'null?')), _47750), number_of_clauses(_108990))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), number_of_clauses(_108990))
Call: (224) [system] nonvar(number_of_clauses(_108990))
Exit: (224) [system] nonvar(number_of_clauses(_108990))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_108990), user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_108990), user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null?')), _47750), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _123834), (prolog_current_choice(_123844), push_current_choice(_123844), clause('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _123866), pfc_call(_123866)), nb_setval('$pfc_current_choice', _123834))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _123834), user:(prolog_current_choice(_123844), push_current_choice(_123844), clause('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _123866), pfc_call(_123866)), user:nb_setval('$pfc_current_choice', _123834))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _123834))
Call: (226) [system] nb_current('$pfc_current_choice', _123834)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_123844)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _133184)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _123866)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _123866)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _141556)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _123834), user:(prolog_current_choice(_123844), push_current_choice(_123844), clause('$pt$'('next-operation'(op(+, =, 'null?')), _47750), _123866), pfc_call(_123866)), user:nb_setval('$pfc_current_choice', _123834))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'null?')), _47750))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Call: (221) [user] pfc_spft(_156426, _156512, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434))
^ Unify: (221) [user] pfc_spft(_156426, _157444, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434))
^ Call: (222) [user] pfcCallSystem('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Call: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Unify: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (224) [system] var('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Fail: (224) [system] var('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Redo: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Unify: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (224) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Exit: (224) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Unify: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Redo: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Unify: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Call: (224) [user] predicate_property('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (227) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Exit: (227) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Unify: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Call: (224) [user] predicate_property('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (226) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Exit: (226) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _192584, _192586)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _192584, _192586)
Call: (227) [system] compound('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Exit: (227) [system] compound('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (227) [system] compound_name_arity('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _192584, _192586)
Exit: (227) [system] compound_name_arity('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Unify: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Call: (224) [user] predicate_property('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _203826)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _204766)
Call: (225) [system] nonvar(_205624)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _206626)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _207560)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (226) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Exit: (226) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Call: (224) [user] predicate_property('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), number_of_clauses(_216754))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), number_of_clauses(_216754))
Call: (225) [system] nonvar(number_of_clauses(_216754))
Exit: (225) [system] nonvar(number_of_clauses(_216754))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_216754), user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_216754), user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (227) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Exit: (227) [system] callable('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(735), user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), number_of_clauses(735))
^ Unify: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _231598), (prolog_current_choice(_231608), push_current_choice(_231608), clause('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _231630), pfc_call(_231630)), nb_setval('$pfc_current_choice', _231598))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _231598), user:(prolog_current_choice(_231608), push_current_choice(_231608), clause('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _231630), pfc_call(_231630)), user:nb_setval('$pfc_current_choice', _231598))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _231598))
Call: (227) [system] nb_current('$pfc_current_choice', _231598)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_231608)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _240948)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _231630)
^ Fail: (226) [user] clause('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _231630)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _249320)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _231598), user:(prolog_current_choice(_231608), push_current_choice(_231608), clause('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)), _231630), pfc_call(_231630)), user:nb_setval('$pfc_current_choice', _231598))
^ Fail: (223) [user] pfc_call('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_156426, _158304, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434)))
^ Fail: (221) [user] pfc_spft(_156426, _256824, '$nt$'('next-operation'(op(+, =, 'null?')), _156432, _156434))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'null?')), 'next-operation'(op(+, =, 'null?'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'null?')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'null?')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null?'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null?'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null?'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'null?')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3618, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_3618)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3618, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_3618)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3618, (notrace, wdmsg(('next-operation'(op(+, =, 'null?'))=>_3618)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'null?')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_354350)
Fail: (202) [t_l] t_l:pfcSearchTL(_354350)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_357124)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'null?')), (P;HTML|mfl4(_3594, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'null?')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'null?')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['null?', _expr], [==, _expr, []]], op(+, =, 'null?')), pfcAdd_Now('next-operation'(op(+, =, 'null?'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]), _3436))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]), _3436))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]), _3436)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]), _3436)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]])\=[_378610|_378612]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]])\=[_378610|_378612]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]))*->_3436='True';_3436='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]))*->_3436='True';_3436='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]))*->_3436='True';_3436='False'), error(_382348, _382350), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]))*->_3436='True';_3436='False'), error(_382348, _382350), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]])
Call: (204) [user] metta_interp_mode(+, _386064)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['null?', _expr], [==, _expr, []]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['null?', _expr], [==, _expr, []]])
Call: (205) [user] metta_interp_mode(load, _390654)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['null?', _expr], [==, _expr, []]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['null?', _expr], [==, _expr, []]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['null?', _expr], [==, _expr, []]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['null?', _expr], [==, _expr, []]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['null?', _expr], [==, _expr, []]], [=, ['null?', _expr], [==, _expr, []]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['null?', _expr], [==, _expr, []]], [=, ['null?', _expr], [==, _expr, []]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _399876)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['null?', _expr], [==, _expr, []]], [=, ['null?', _expr], [==, _expr, []]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['null?', _expr], [==, _expr, []]], [=, ['null?', _expr], [==, _expr, []]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null?', _expr], [==, _expr, []]], metta_atom('&self', [=, ['null?', _expr], [==, _expr, []]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null?', _expr], [==, _expr, []]], metta_atom('&self', [=, ['null?', _expr], [==, _expr, []]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_406352, _406354), once(user:is_compatio0), '$restore_trace'(_406352, _406354))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_406352, _406354), system:once(user:is_compatio0), system:'$restore_trace'(_406352, _406354))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_406352, _406354))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null?', _expr], [==, _expr, []]], metta_atom('&self', [=, ['null?', _expr], [==, _expr, []]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null?', _expr], [==, _expr, []]], metta_atom('&self', [=, ['null?', _expr], [==, _expr, []]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_411970, must_det_ll(user:metta_anew(load, [=, ['null?', _expr], [==, _expr, []]], metta_atom('&self', [=, ['null?', _expr], [==, _expr, []]])))), (_411970==""->true;our_ansi_format('#ffa505', '~w~n', [_411970]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_411970, must_det_ll(user:metta_anew(load, [=, ['null?', _expr], [==, _expr, []]], metta_atom('&self', [=, ['null?', _expr], [==, _expr, []]])))), (_411970==""->true;our_ansi_format('#ffa505', '~w~n', [_411970]))))
(=
(null? $expr)
(== $expr ()))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['null?', _expr], [==, _expr, []]], metta_atom('&self', [=, ['null?', _expr], [==, _expr, []]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null?', _expr], [==, _expr, []]], metta_atom('&self', [=, ['null?', _expr], [==, _expr, []]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['null?', _expr], [==, _expr, []]], [=, ['null?', _expr], [==, _expr, []]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['null?', _expr], [==, _expr, []]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]])
Call: (203) [system] _3436='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]))*->'True'='True';'True'='False'), error(_382348, _382350), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['null?', _expr], [==, _expr, []]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null?', _expr], [==, _expr, []]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3388, _3390, _3392, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3396)
^ Unify: (193) [user] metta_file_buffer(+, [=, [cons, _443528, _443534], ['cons-atom', _443528, _443534]], ['_y'=_443534, '_x'=_443528], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(188, 5, 18, 188))
^ Exit: (193) [user] metta_file_buffer(+, [=, [cons, _443528, _443534], ['cons-atom', _443528, _443534]], ['_y'=_443534, '_x'=_443528], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(188, 5, 18, 188))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_y'=_443534, '_x'=_443528])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_y'=_443534, '_x'=_443528])
Call: (195) [apply] apply:maplist_(['_y'=_443534, '_x'=_443528], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_y'=_443534, '_x'=_443528], user:maybe_assign)
Call: (196) [user] maybe_assign('_y'=_443534)
Unify: (196) [user] maybe_assign('_y'=_443534)
^ Call: (197) [user] ignore(_443534=_y)
^ Unify: (197) [system] ignore(user:(_443534=_y))
Call: (198) [system] _443534=_y
Exit: (198) [system] _y=_y
^ Exit: (197) [system] ignore(user:(_y=_y))
Exit: (196) [user] maybe_assign('_y'=_y)
Call: (196) [apply] apply:maplist_(['_x'=_443528], user:maybe_assign)
Unify: (196) [apply] apply:maplist_(['_x'=_443528], user:maybe_assign)
Call: (197) [user] maybe_assign('_x'=_443528)
Unify: (197) [user] maybe_assign('_x'=_443528)
^ Call: (198) [user] ignore(_443528=_x)
^ Unify: (198) [system] ignore(user:(_443528=_x))
Call: (199) [system] _443528=_x
Exit: (199) [system] _x=_x
^ Exit: (198) [system] ignore(user:(_x=_x))
Exit: (197) [user] maybe_assign('_x'=_x)
Call: (197) [apply] apply:maplist_([], user:maybe_assign)
Unify: (197) [apply] apply:maplist_([], user:maybe_assign)
Exit: (197) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_y'=_y, '_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_y'=_y, '_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3436))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3436))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3436)
Call: (196) [system] var([=, [cons, _x, _y], ['cons-atom', _x, _y]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3436)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [cons, _x, _y], ['cons-atom', _x, _y]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3436)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3436)
Call: (196) [system] string([=, [cons, _x, _y], ['cons-atom', _x, _y]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [cons, _x, _y], ['cons-atom', _x, _y]], _13872), pfcAdd_Now('next-operation'(_13872)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [cons, _x, _y], ['cons-atom', _x, _y]], _13872), pfcAdd_Now('next-operation'(_13872)))
Call: (197) [user] into_simple_op(+, [=, [cons, _x, _y], ['cons-atom', _x, _y]], _13872)
Unify: (197) [user] into_simple_op(+, [=, [cons, _x, _y], ['cons-atom', _x, _y]], op(+, =, _16664))
Call: (198) [user] o_s([[cons, _x, _y], ['cons-atom', _x, _y]], _16664)
Unify: (198) [user] o_s([[cons, _x, _y], ['cons-atom', _x, _y]], _16664)
Call: (199) [user] o_s([cons, _x, _y], _16664)
Unify: (199) [user] o_s([cons, _x, _y], _16664)
Call: (200) [user] o_s(cons, _16664)
Unify: (200) [user] o_s(cons, cons)
Exit: (200) [user] o_s(cons, cons)
Exit: (199) [user] o_s([cons, _x, _y], cons)
Exit: (198) [user] o_s([[cons, _x, _y], ['cons-atom', _x, _y]], cons)
Exit: (197) [user] into_simple_op(+, [=, [cons, _x, _y], ['cons-atom', _x, _y]], op(+, =, cons))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cons)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cons)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cons))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cons))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cons))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cons))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, cons)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, cons)))
^ Call: (199) [user] must_ex(current_why_UU(_37882))
^ Unify: (199) [user] must_ex(current_why_UU(_37882))
Call: (201) [user] current_why_UU(_37882)
Unify: (201) [user] current_why_UU(_37882)
^ Call: (202) [user] get_why_uu(_37882)
^ Unify: (202) [user] get_why_uu(_37882)
^ Call: (203) [user] findall(_43422, current_why(_43422), _43428)
^ Unify: (203) [$bags] findall(_43422, user:current_why(_43422), _43428)
^ Call: (204) [$bags] findall(_43422, user:current_why(_43422), _43428, [])
^ Unify: (204) [$bags] findall(_43422, user:current_why(_43422), _43428, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_43422, user:current_why(_43422), _43428, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_43422, user:current_why(_43422), _43428, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_43422, user:current_why(_43422), _43428, [])
Unify: (206) [$bags] findall_loop(_43422, user:current_why(_43422), _43428, [])
^ Call: (207) [user] bugger:current_why(_43422)
^ Unify: (207) [user] bugger:current_why(_43422)
^ Call: (208) [user] bugger:current_why_data(_43422)
^ Unify: (208) [user] bugger:current_why_data(_43422)
Call: (209) [system] nb_current('$current_why', wp(_43422, _54682))
Fail: (209) [system] nb_current('$current_why', wp(_43422, _54682))
^ Redo: (208) [user] bugger:current_why_data(_43422)
^ Unify: (208) [user] bugger:current_why_data(_43422)
Call: (209) [t_l] t_l:current_why_source(_43422)
Fail: (209) [t_l] t_l:current_why_source(_43422)
^ Fail: (208) [user] bugger:current_why_data(_43422)
^ Redo: (207) [user] bugger:current_why(_43422)
^ Unify: (207) [user] bugger:current_why(mfl4(_62110, _62112, _62114, _62116))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_63066, _63068), once(user:current_mfl4(_62110, _62112, _62114, _62116)), '$restore_trace'(_63066, _63068))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_63066, _63068), system:once(user:current_mfl4(_62110, _62112, _62114, _62116)), system:'$restore_trace'(_63066, _63068))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_63066, _63068))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_62110, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_62110, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_43422, user:current_why(_43422), _43428, [])
Exit: (206) [$bags] findall_loop(_43422, user:current_why(_43422), [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_43422, user:current_why(_43422), [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_43422, user:current_why(_43422), [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_43422, user:current_why(_43422), [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _37882)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _37882)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_199778, _199780)
Fail: (204) [system] [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_199778, _199780)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _37882)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _37882)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _230204)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _230204)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _230204)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _230204)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _230204)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _230204)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _230204)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _230204)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _230204)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_79926, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3614)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3614)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_74520, _74522)
Fail: (205) [system] P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_74520, _74522)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3614)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cons)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cons)))
Call: (202) [system] is_list('next-operation'(op(+, =, cons)))
Fail: (202) [system] is_list('next-operation'(op(+, =, cons)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cons)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, cons)), _233254)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, cons)), _233254)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, cons)), _233254)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _253090, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_253090)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _253090, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_253090)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _253090, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_253090)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _253090, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_253090)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _283612)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _253090, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_253090)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _253090, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_253090)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, cons)), P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, cons)), P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cons)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cons)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cons)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cons)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, cons)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, cons)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, cons)), _384264, _384266)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, cons)), user, 'next-operation'(op(+, =, cons)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cons)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cons)), true)
Call: (212) [system] _388008=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cons)), true, _389878)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cons)), true, _389878)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cons)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cons)), true, _392706)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cons)), true, _392706)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cons)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, cons)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cons)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cons)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cons)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cons)));assert('next-operation'(op(+, =, cons))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cons)));assert('next-operation'(op(+, =, cons))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, cons)));assert('next-operation'(op(+, =, cons)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cons)));assert('next-operation'(op(+, =, cons)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, cons)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, cons)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, cons)), _420056, _420058)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, cons)), user, 'next-operation'(op(+, =, cons)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cons)), _421936, _421938)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)), true)
Call: (215) [system] var('next-operation'(op(+, =, cons)))
Fail: (215) [system] var('next-operation'(op(+, =, cons)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cons)), _421936, _421938)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cons)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cons)), true)
Call: (215) [system] _430342=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cons)), true, _432212)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cons)), true, _432212)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cons)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cons)), true, _435040)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cons)), true, _435040)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cons)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, cons)))
^ Call: (213) [user] assert('next-operation'(op(+, =, cons)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, cons)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cons)));assert('next-operation'(op(+, =, cons)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cons)));assert('next-operation'(op(+, =, cons))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3640, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, cons)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cons)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cons)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cons)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _491830)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _491830)
Call: (216) [system] var('next-operation'(op(+, =, cons)))
Fail: (216) [system] var('next-operation'(op(+, =, cons)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _491830)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _491830)
Call: (216) [system] compound('next-operation'(op(+, =, cons)))
Exit: (216) [system] compound('next-operation'(op(+, =, cons)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _491830)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _491830)
Call: (216) [system] _502982 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, cons)), _504840)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cons)), _504840)
Call: (217) [system] is_list('next-operation'(op(+, =, cons)))
Fail: (217) [system] is_list('next-operation'(op(+, =, cons)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, cons)), _504840)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cons)), _504840)
Call: (217) [system] compound('next-operation'(op(+, =, cons)))
Exit: (217) [system] compound('next-operation'(op(+, =, cons)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, cons)), _512250, _512252)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, cons)), 'next-operation', [op(+, =, cons)])
Call: (217) [lists] lists:member(_504840, ['next-operation', op(+, =, cons)])
Unify: (217) [lists] lists:member(_504840, ['next-operation', op(+, =, cons)])
Call: (218) [lists] lists:member_([op(+, =, cons)], _504840, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cons)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, cons)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, cons)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cons)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _491830)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _491830)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _3776)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _3776)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _3776)
Call: (217) [system] _3776='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, cons)], _3780, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cons)], _3780, 'next-operation')
Call: (219) [lists] lists:member_([], _3780, op(+, =, cons))
Unify: (219) [lists] lists:member_([], op(+, =, cons), op(+, =, cons))
Exit: (219) [lists] lists:member_([], op(+, =, cons), op(+, =, cons))
Exit: (218) [lists] lists:member_([op(+, =, cons)], op(+, =, cons), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, cons), ['next-operation', op(+, =, cons)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cons)), op(+, =, cons))
^ Call: (216) [user] compound_eles(0, op(+, =, cons), _3776)
^ Unify: (216) [user] compound_eles(0, op(+, =, cons), _3776)
Call: (217) [system] var(op(+, =, cons))
Fail: (217) [system] var(op(+, =, cons))
^ Redo: (216) [user] compound_eles(0, op(+, =, cons), _3776)
^ Unify: (216) [user] compound_eles(0, op(+, =, cons), _3776)
Call: (217) [system] compound(op(+, =, cons))
Exit: (217) [system] compound(op(+, =, cons))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _3776=op(+, =, cons)
Exit: (217) [system] op(+, =, cons)=op(+, =, cons)
^ Exit: (216) [user] compound_eles(0, op(+, =, cons), op(+, =, cons))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), op(+, =, cons))
^ Call: (215) [user] pfcIgnored(op(+, =, cons))
^ Fail: (215) [user] pfcIgnored(op(+, =, cons))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cons)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, cons)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cons)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _39504)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _39504)
Call: (215) [system] var('next-operation'(op(+, =, cons)))
Fail: (215) [system] var('next-operation'(op(+, =, cons)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _39504)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _39504)
Call: (215) [system] compound('next-operation'(op(+, =, cons)))
Exit: (215) [system] compound('next-operation'(op(+, =, cons)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _39504)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), _39504)
Call: (215) [system] _50656 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, cons)), _52514)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cons)), _52514)
Call: (216) [system] is_list('next-operation'(op(+, =, cons)))
Fail: (216) [system] is_list('next-operation'(op(+, =, cons)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, cons)), _52514)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cons)), _52514)
Call: (216) [system] compound('next-operation'(op(+, =, cons)))
Exit: (216) [system] compound('next-operation'(op(+, =, cons)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, cons)), _59924, _59926)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, cons)), 'next-operation', [op(+, =, cons)])
Call: (216) [lists] lists:member(_52514, ['next-operation', op(+, =, cons)])
Unify: (216) [lists] lists:member(_52514, ['next-operation', op(+, =, cons)])
Call: (217) [lists] lists:member_([op(+, =, cons)], _52514, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cons)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, cons)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, cons)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cons)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _39504)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _39504)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _39504)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _39504)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _39504)
Call: (216) [system] _39504='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, cons)], _52514, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cons)], _52514, 'next-operation')
Call: (218) [lists] lists:member_([], _52514, op(+, =, cons))
Unify: (218) [lists] lists:member_([], op(+, =, cons), op(+, =, cons))
Exit: (218) [lists] lists:member_([], op(+, =, cons), op(+, =, cons))
Exit: (217) [lists] lists:member_([op(+, =, cons)], op(+, =, cons), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, cons), ['next-operation', op(+, =, cons)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cons)), op(+, =, cons))
^ Call: (215) [user] compound_eles(0, op(+, =, cons), _39504)
^ Unify: (215) [user] compound_eles(0, op(+, =, cons), _39504)
Call: (216) [system] var(op(+, =, cons))
Fail: (216) [system] var(op(+, =, cons))
^ Redo: (215) [user] compound_eles(0, op(+, =, cons), _39504)
^ Unify: (215) [user] compound_eles(0, op(+, =, cons), _39504)
Call: (216) [system] compound(op(+, =, cons))
Exit: (216) [system] compound(op(+, =, cons))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _39504=op(+, =, cons)
Exit: (216) [system] op(+, =, cons)=op(+, =, cons)
^ Exit: (215) [user] compound_eles(0, op(+, =, cons), op(+, =, cons))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cons)), op(+, =, cons))
^ Call: (214) [user] pfcTraced(op(+, =, cons))
^ Fail: (214) [user] pfcTraced(op(+, =, cons))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, cons)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, cons)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, cons)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_206176)
^ Unify: (212) [user] pfcGetSearch(_206176)
Call: (213) [t_l] t_l:pfcSearchTL(_208026)
Fail: (213) [t_l] t_l:pfcSearchTL(_208026)
^ Redo: (212) [user] pfcGetSearch(_206176)
^ Call: (213) [user] pfcSearch(_210800)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _206176=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, cons)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cons)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, cons)), _235274)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, cons)), _235274)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, cons)), _235274)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, cons)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cons)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, cons))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cons))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cons))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cons))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _245536)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cons))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cons))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, cons)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, cons)))
Call: (218) [system] is_list(_253032)
Fail: (218) [system] is_list(_253032)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, cons)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, cons)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, cons)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, cons)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, cons)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, cons)))
Call: (219) [system] copy_term('next-operation'(op(+, =, cons)), _260426)
Exit: (219) [system] copy_term('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, cons)), _266018), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, cons)), _266018), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, cons)), _266018))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cons)), _266018), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cons)), _266018), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cons)), _266018), _303088, _303090)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cons)), _266018), _303088, _303090)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, cons)), _266018))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cons)), _266018), _303088, _303090)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cons)), _266018), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cons)), _266018), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cons)), _266018), _314330)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), _315270)
Call: (224) [system] nonvar(_316128)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), _317130)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), _318064)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cons)), _266018), number_of_clauses(_327258))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), number_of_clauses(_327258))
Call: (224) [system] nonvar(number_of_clauses(_327258))
Exit: (224) [system] nonvar(number_of_clauses(_327258))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_327258), user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_327258), user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cons)), _266018))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cons)), _266018), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _342102), (prolog_current_choice(_342112), push_current_choice(_342112), clause('$pt$'('next-operation'(op(+, =, cons)), _266018), _342134), pfc_call(_342134)), nb_setval('$pfc_current_choice', _342102))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _342102), user:(prolog_current_choice(_342112), push_current_choice(_342112), clause('$pt$'('next-operation'(op(+, =, cons)), _266018), _342134), pfc_call(_342134)), user:nb_setval('$pfc_current_choice', _342102))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _342102))
Call: (226) [system] nb_current('$pfc_current_choice', _342102)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_342112)
Exit: (225) [system] prolog_current_choice(2931)
^ Call: (225) [user] push_current_choice(2931)
^ Unify: (225) [user] push_current_choice(2931)
Call: (226) [system] nb_current('$pfc_current_choice', _351452)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2931])
Exit: (226) [system] b_setval('$pfc_current_choice', [2931])
^ Exit: (225) [user] push_current_choice(2931)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, cons)), _266018), _342134)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, cons)), _266018), _342134)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _359824)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _342102), user:(prolog_current_choice(_342112), push_current_choice(_342112), clause('$pt$'('next-operation'(op(+, =, cons)), _266018), _342134), pfc_call(_342134)), user:nb_setval('$pfc_current_choice', _342102))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cons)), _266018))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Call: (221) [user] pfc_spft(_374694, _374780, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702))
^ Unify: (221) [user] pfc_spft(_374694, _375712, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702))
^ Call: (222) [user] pfcCallSystem('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Call: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Unify: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (224) [system] var('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Fail: (224) [system] var('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Redo: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Unify: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (224) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Exit: (224) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Unify: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Redo: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Unify: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Call: (224) [user] predicate_property('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (227) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Exit: (227) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Unify: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Call: (224) [user] predicate_property('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (226) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Exit: (226) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _410852, _410854)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _410852, _410854)
Call: (227) [system] compound('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Exit: (227) [system] compound('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (227) [system] compound_name_arity('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _410852, _410854)
Exit: (227) [system] compound_name_arity('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Unify: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Call: (224) [user] predicate_property('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _422094)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _423034)
Call: (225) [system] nonvar(_423892)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _424894)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _425828)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (226) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Exit: (226) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Call: (224) [user] predicate_property('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), number_of_clauses(_435022))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), number_of_clauses(_435022))
Call: (225) [system] nonvar(number_of_clauses(_435022))
Exit: (225) [system] nonvar(number_of_clauses(_435022))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_435022), user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_435022), user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (227) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Exit: (227) [system] callable('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(737), user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), number_of_clauses(737))
^ Unify: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _449866), (prolog_current_choice(_449876), push_current_choice(_449876), clause('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _449898), pfc_call(_449898)), nb_setval('$pfc_current_choice', _449866))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _449866), user:(prolog_current_choice(_449876), push_current_choice(_449876), clause('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _449898), pfc_call(_449898)), user:nb_setval('$pfc_current_choice', _449866))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _449866))
Call: (227) [system] nb_current('$pfc_current_choice', _449866)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_449876)
Exit: (226) [system] prolog_current_choice(2951)
^ Call: (226) [user] push_current_choice(2951)
^ Unify: (226) [user] push_current_choice(2951)
Call: (227) [system] nb_current('$pfc_current_choice', _459216)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2951])
Exit: (227) [system] b_setval('$pfc_current_choice', [2951])
^ Exit: (226) [user] push_current_choice(2951)
^ Call: (226) [user] clause('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _449898)
^ Fail: (226) [user] clause('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _449898)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _467588)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _449866), user:(prolog_current_choice(_449876), push_current_choice(_449876), clause('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)), _449898), pfc_call(_449898)), user:nb_setval('$pfc_current_choice', _449866))
^ Fail: (223) [user] pfc_call('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_374694, _376572, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702)))
^ Fail: (221) [user] pfc_spft(_374694, _475092, '$nt$'('next-operation'(op(+, =, cons)), _374700, _374702))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cons)), 'next-operation'(op(+, =, cons))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, cons)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, cons)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cons))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cons))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cons))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, cons)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3640, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_3640)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3640, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_3640)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3640, (notrace, wdmsg(('next-operation'(op(+, =, cons))=>_3640)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cons)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_54958)
Fail: (202) [t_l] t_l:pfcSearchTL(_54958)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_57732)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, cons)), (P;HTML|mfl4(_3616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, cons)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cons)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [cons, _x, _y], ['cons-atom', _x, _y]], op(+, =, cons)), pfcAdd_Now('next-operation'(op(+, =, cons))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]])\=[_79218|_79220]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]])\=[_79218|_79220]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]))*->_3422='True';_3422='False'), error(_82956, _82958), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]))*->_3422='True';_3422='False'), error(_82956, _82958), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Call: (204) [user] metta_interp_mode(+, _86672)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Call: (205) [user] metta_interp_mode(load, _91262)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _100484)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], [=, [cons, _x, _y], ['cons-atom', _x, _y]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], metta_atom('&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], metta_atom('&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_106960, _106962), once(user:is_compatio0), '$restore_trace'(_106960, _106962))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_106960, _106962), system:once(user:is_compatio0), system:'$restore_trace'(_106960, _106962))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_106960, _106962))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], metta_atom('&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], metta_atom('&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_112578, must_det_ll(user:metta_anew(load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], metta_atom('&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]])))), (_112578==""->true;our_ansi_format('#ffa505', '~w~n', [_112578]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_112578, must_det_ll(user:metta_anew(load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], metta_atom('&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]])))), (_112578==""->true;our_ansi_format('#ffa505', '~w~n', [_112578]))))
(=
(cons $x $y)
(cons-atom $x $y))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], metta_atom('&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], metta_atom('&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]], [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]))*->'True'='True';'True'='False'), error(_82956, _82958), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cons, _x, _y], ['cons-atom', _x, _y]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cons, _x, _y], ['cons-atom', _x, _y]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [car, _144180], ['car-atom', _144180]], ['_x'=_144180], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(228, 8, 22, 228))
^ Exit: (193) [user] metta_file_buffer(+, [=, [car, _144180], ['car-atom', _144180]], ['_x'=_144180], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(228, 8, 22, 228))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_144180])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_144180])
Call: (195) [apply] apply:maplist_(['_x'=_144180], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_144180], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_144180)
Unify: (196) [user] maybe_assign('_x'=_144180)
^ Call: (197) [user] ignore(_144180=_x)
^ Unify: (197) [system] ignore(user:(_144180=_x))
Call: (198) [system] _144180=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422)
Call: (196) [system] var([=, [car, _x], ['car-atom', _x]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [car, _x], ['car-atom', _x]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422)
Call: (196) [system] string([=, [car, _x], ['car-atom', _x]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [car, _x], ['car-atom', _x]], _224450), pfcAdd_Now('next-operation'(_224450)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [car, _x], ['car-atom', _x]], _224450), pfcAdd_Now('next-operation'(_224450)))
Call: (197) [user] into_simple_op(+, [=, [car, _x], ['car-atom', _x]], _224450)
Unify: (197) [user] into_simple_op(+, [=, [car, _x], ['car-atom', _x]], op(+, =, _227242))
Call: (198) [user] o_s([[car, _x], ['car-atom', _x]], _227242)
Unify: (198) [user] o_s([[car, _x], ['car-atom', _x]], _227242)
Call: (199) [user] o_s([car, _x], _227242)
Unify: (199) [user] o_s([car, _x], _227242)
Call: (200) [user] o_s(car, _227242)
Unify: (200) [user] o_s(car, car)
Exit: (200) [user] o_s(car, car)
Exit: (199) [user] o_s([car, _x], car)
Exit: (198) [user] o_s([[car, _x], ['car-atom', _x]], car)
Exit: (197) [user] into_simple_op(+, [=, [car, _x], ['car-atom', _x]], op(+, =, car))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, car)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, car)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, car))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, car))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, car))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, car))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, car)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, car)))
^ Call: (199) [user] must_ex(current_why_UU(_248460))
^ Unify: (199) [user] must_ex(current_why_UU(_248460))
Call: (201) [user] current_why_UU(_248460)
Unify: (201) [user] current_why_UU(_248460)
^ Call: (202) [user] get_why_uu(_248460)
^ Unify: (202) [user] get_why_uu(_248460)
^ Call: (203) [user] findall(_254000, current_why(_254000), _254006)
^ Unify: (203) [$bags] findall(_254000, user:current_why(_254000), _254006)
^ Call: (204) [$bags] findall(_254000, user:current_why(_254000), _254006, [])
^ Unify: (204) [$bags] findall(_254000, user:current_why(_254000), _254006, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_254000, user:current_why(_254000), _254006, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_254000, user:current_why(_254000), _254006, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_254000, user:current_why(_254000), _254006, [])
Unify: (206) [$bags] findall_loop(_254000, user:current_why(_254000), _254006, [])
^ Call: (207) [user] bugger:current_why(_254000)
^ Unify: (207) [user] bugger:current_why(_254000)
^ Call: (208) [user] bugger:current_why_data(_254000)
^ Unify: (208) [user] bugger:current_why_data(_254000)
Call: (209) [system] nb_current('$current_why', wp(_254000, _265260))
Fail: (209) [system] nb_current('$current_why', wp(_254000, _265260))
^ Redo: (208) [user] bugger:current_why_data(_254000)
^ Unify: (208) [user] bugger:current_why_data(_254000)
Call: (209) [t_l] t_l:current_why_source(_254000)
Fail: (209) [t_l] t_l:current_why_source(_254000)
^ Fail: (208) [user] bugger:current_why_data(_254000)
^ Redo: (207) [user] bugger:current_why(_254000)
^ Unify: (207) [user] bugger:current_why(mfl4(_272688, _272690, _272692, _272694))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_273644, _273646), once(user:current_mfl4(_272688, _272690, _272692, _272694)), '$restore_trace'(_273644, _273646))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_273644, _273646), system:once(user:current_mfl4(_272688, _272690, _272692, _272694)), system:'$restore_trace'(_273644, _273646))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_273644, _273646))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_272688, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_272688, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_254000, user:current_why(_254000), _254006, [])
Exit: (206) [$bags] findall_loop(_254000, user:current_why(_254000), [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_254000, user:current_why(_254000), [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_254000, user:current_why(_254000), [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_254000, user:current_why(_254000), [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _248460)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _248460)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_410390, _410392)
Fail: (204) [system] [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_410390, _410392)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _248460)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _248460)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _440824)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _440824)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _440824)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _440824)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_290506, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3646)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3646)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3646)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3646)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3646)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3600)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3600)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_284248, _284250)
Fail: (205) [system] P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_284248, _284250)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3600)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, car)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, car)))
Call: (202) [system] is_list('next-operation'(op(+, =, car)))
Fail: (202) [system] is_list('next-operation'(op(+, =, car)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, car)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, car)), _442982)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, car)), _442982)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, car)), _442982)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _462818, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_462818)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _462818, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_462818)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _462818, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_462818)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _462818, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_462818)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _493340)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _462818, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_462818)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _462818, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_462818)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3626, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, car)), P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, car)), P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, car)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, car)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, car)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, car)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, car)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, car)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, car)), _75064, _75066)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, car)), user, 'next-operation'(op(+, =, car)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, car)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, car)), true)
Call: (212) [system] _78808=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, car)), true, _80678)
^ Fail: (212) [user] clause('next-operation'(op(+, =, car)), true, _80678)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, car)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, car)), true, _83506)
^ Fail: (212) [user] clause('next-operation'(op(+, =, car)), true, _83506)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, car)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, car)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, car)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, car)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, car)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, car)));assert('next-operation'(op(+, =, car))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, car)));assert('next-operation'(op(+, =, car))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, car)));assert('next-operation'(op(+, =, car)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, car)));assert('next-operation'(op(+, =, car)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, car)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, car)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, car)), _110856, _110858)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, car)), user, 'next-operation'(op(+, =, car)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, car)), _112736, _112738)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)), true)
Call: (215) [system] var('next-operation'(op(+, =, car)))
Fail: (215) [system] var('next-operation'(op(+, =, car)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, car)), _112736, _112738)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, car)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, car)), true)
Call: (215) [system] _121142=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, car)), true, _123012)
^ Fail: (215) [user] clause('next-operation'(op(+, =, car)), true, _123012)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, car)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, car)), true, _125840)
^ Fail: (215) [user] clause('next-operation'(op(+, =, car)), true, _125840)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, car)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, car)))
^ Call: (213) [user] assert('next-operation'(op(+, =, car)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, car)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, car)));assert('next-operation'(op(+, =, car)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, car)));assert('next-operation'(op(+, =, car))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, car)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, car)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, car)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, car)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _182630)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _182630)
Call: (216) [system] var('next-operation'(op(+, =, car)))
Fail: (216) [system] var('next-operation'(op(+, =, car)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _182630)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _182630)
Call: (216) [system] compound('next-operation'(op(+, =, car)))
Exit: (216) [system] compound('next-operation'(op(+, =, car)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _182630)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _182630)
Call: (216) [system] _193782 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, car)), _195640)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, car)), _195640)
Call: (217) [system] is_list('next-operation'(op(+, =, car)))
Fail: (217) [system] is_list('next-operation'(op(+, =, car)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, car)), _195640)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, car)), _195640)
Call: (217) [system] compound('next-operation'(op(+, =, car)))
Exit: (217) [system] compound('next-operation'(op(+, =, car)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, car)), _203050, _203052)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, car)), 'next-operation', [op(+, =, car)])
Call: (217) [lists] lists:member(_195640, ['next-operation', op(+, =, car)])
Unify: (217) [lists] lists:member(_195640, ['next-operation', op(+, =, car)])
Call: (218) [lists] lists:member_([op(+, =, car)], _195640, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, car)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, car)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, car)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, car)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _182630)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _182630)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _182630)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _182630)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _182630)
Call: (217) [system] _182630='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, car)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, car)], _195640, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, car)], _195640, 'next-operation')
Call: (219) [lists] lists:member_([], _195640, op(+, =, car))
Unify: (219) [lists] lists:member_([], op(+, =, car), op(+, =, car))
Exit: (219) [lists] lists:member_([], op(+, =, car), op(+, =, car))
Exit: (218) [lists] lists:member_([op(+, =, car)], op(+, =, car), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, car), ['next-operation', op(+, =, car)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, car)), op(+, =, car))
^ Call: (216) [user] compound_eles(0, op(+, =, car), _182630)
^ Unify: (216) [user] compound_eles(0, op(+, =, car), _182630)
Call: (217) [system] var(op(+, =, car))
Fail: (217) [system] var(op(+, =, car))
^ Redo: (216) [user] compound_eles(0, op(+, =, car), _182630)
^ Unify: (216) [user] compound_eles(0, op(+, =, car), _182630)
Call: (217) [system] compound(op(+, =, car))
Exit: (217) [system] compound(op(+, =, car))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _182630=op(+, =, car)
Exit: (217) [system] op(+, =, car)=op(+, =, car)
^ Exit: (216) [user] compound_eles(0, op(+, =, car), op(+, =, car))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, car)), op(+, =, car))
^ Call: (215) [user] pfcIgnored(op(+, =, car))
^ Fail: (215) [user] pfcIgnored(op(+, =, car))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, car)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, car)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, car)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _250430)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _250430)
Call: (215) [system] var('next-operation'(op(+, =, car)))
Fail: (215) [system] var('next-operation'(op(+, =, car)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _250430)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _250430)
Call: (215) [system] compound('next-operation'(op(+, =, car)))
Exit: (215) [system] compound('next-operation'(op(+, =, car)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _250430)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, car)), _250430)
Call: (215) [system] _261582 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, car)), _263440)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, car)), _263440)
Call: (216) [system] is_list('next-operation'(op(+, =, car)))
Fail: (216) [system] is_list('next-operation'(op(+, =, car)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, car)), _263440)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, car)), _263440)
Call: (216) [system] compound('next-operation'(op(+, =, car)))
Exit: (216) [system] compound('next-operation'(op(+, =, car)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, car)), _270850, _270852)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, car)), 'next-operation', [op(+, =, car)])
Call: (216) [lists] lists:member(_263440, ['next-operation', op(+, =, car)])
Unify: (216) [lists] lists:member(_263440, ['next-operation', op(+, =, car)])
Call: (217) [lists] lists:member_([op(+, =, car)], _263440, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, car)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, car)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, car)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, car)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _250430)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _250430)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _250430)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _250430)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _250430)
Call: (216) [system] _250430='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, car)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, car)], _263440, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, car)], _263440, 'next-operation')
Call: (218) [lists] lists:member_([], _263440, op(+, =, car))
Unify: (218) [lists] lists:member_([], op(+, =, car), op(+, =, car))
Exit: (218) [lists] lists:member_([], op(+, =, car), op(+, =, car))
Exit: (217) [lists] lists:member_([op(+, =, car)], op(+, =, car), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, car), ['next-operation', op(+, =, car)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, car)), op(+, =, car))
^ Call: (215) [user] compound_eles(0, op(+, =, car), _250430)
^ Unify: (215) [user] compound_eles(0, op(+, =, car), _250430)
Call: (216) [system] var(op(+, =, car))
Fail: (216) [system] var(op(+, =, car))
^ Redo: (215) [user] compound_eles(0, op(+, =, car), _250430)
^ Unify: (215) [user] compound_eles(0, op(+, =, car), _250430)
Call: (216) [system] compound(op(+, =, car))
Exit: (216) [system] compound(op(+, =, car))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _250430=op(+, =, car)
Exit: (216) [system] op(+, =, car)=op(+, =, car)
^ Exit: (215) [user] compound_eles(0, op(+, =, car), op(+, =, car))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, car)), op(+, =, car))
^ Call: (214) [user] pfcTraced(op(+, =, car))
^ Fail: (214) [user] pfcTraced(op(+, =, car))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, car)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, car)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, car)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_417102)
^ Unify: (212) [user] pfcGetSearch(_417102)
Call: (213) [t_l] t_l:pfcSearchTL(_418952)
Fail: (213) [t_l] t_l:pfcSearchTL(_418952)
^ Redo: (212) [user] pfcGetSearch(_417102)
^ Call: (213) [user] pfcSearch(_421726)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _417102=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, car)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, car)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, car)), _446200)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, car)), _446200)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, car)), _446200)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, car)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, car)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, car))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, car))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, car))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, car))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _456462)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, car))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, car))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, car)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, car)))
Call: (218) [system] is_list(_463958)
Fail: (218) [system] is_list(_463958)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, car)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, car)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, car)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, car)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, car)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, car)))
Call: (219) [system] copy_term('next-operation'(op(+, =, car)), _471352)
Exit: (219) [system] copy_term('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, car)), _476944), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, car)), _476944), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, car)), _476944))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, car)), _476944))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, car)), _476944), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _476944), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, car)), _476944))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, car)), _476944))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _476944))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _476944))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, car)), _476944))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, car)), _476944))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _476944))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _476944), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _476944))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, car)), _476944), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _476944), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, car)), _476944))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, car)), _476944))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, car)), _476944))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, car)), _476944))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, car)), _476944), _514014, _514016)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, car)), _476944), _514014, _514016)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, car)), _476944))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, car)), _476944))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, car)), _476944), _514014, _514016)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, car)), _476944), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, car)), _476944), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _476944), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _3860))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _3860))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, car)), _3860), _5212)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _3860), _6152)
Call: (224) [system] nonvar(_7010)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _3860), _8012)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _3860), _8946)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _3860))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _3860))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, car)), _3860))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, car)), _3860))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _3860))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _3860), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _3860))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, car)), _3860), number_of_clauses(_18140))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _3860), number_of_clauses(_18140))
Call: (224) [system] nonvar(number_of_clauses(_18140))
Exit: (224) [system] nonvar(number_of_clauses(_18140))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_18140), user:'$pt$'('next-operation'(op(+, =, car)), _3860))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_18140), user:'$pt$'('next-operation'(op(+, =, car)), _3860))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _3860))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _3860))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, car)), _3860))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, car)), _3860))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, car)), _3860))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, car)), _3860))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, car)), _3860), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _3860))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _32984), (prolog_current_choice(_32994), push_current_choice(_32994), clause('$pt$'('next-operation'(op(+, =, car)), _3860), _33016), pfc_call(_33016)), nb_setval('$pfc_current_choice', _32984))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _32984), user:(prolog_current_choice(_32994), push_current_choice(_32994), clause('$pt$'('next-operation'(op(+, =, car)), _3860), _33016), pfc_call(_33016)), user:nb_setval('$pfc_current_choice', _32984))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _32984))
Call: (226) [system] nb_current('$pfc_current_choice', _32984)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_32994)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _42334)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, car)), _3860), _33016)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, car)), _3860), _33016)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _50706)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _32984), user:(prolog_current_choice(_32994), push_current_choice(_32994), clause('$pt$'('next-operation'(op(+, =, car)), _3860), _33016), pfc_call(_33016)), user:nb_setval('$pfc_current_choice', _32984))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, car)), _3860))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, car)), _3860))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Call: (221) [user] pfc_spft(_65576, _65662, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584))
^ Unify: (221) [user] pfc_spft(_65576, _66594, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584))
^ Call: (222) [user] pfcCallSystem('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Call: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Unify: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (224) [system] var('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Fail: (224) [system] var('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Redo: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Unify: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (224) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Exit: (224) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Unify: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Redo: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Unify: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Call: (224) [user] predicate_property('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (227) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Exit: (227) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Unify: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Call: (224) [user] predicate_property('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (226) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Exit: (226) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _101734, _101736)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _101734, _101736)
Call: (227) [system] compound('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Exit: (227) [system] compound('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (227) [system] compound_name_arity('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _101734, _101736)
Exit: (227) [system] compound_name_arity('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Unify: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Call: (224) [user] predicate_property('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _112976)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _113916)
Call: (225) [system] nonvar(_114774)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _115776)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _116710)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (226) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Exit: (226) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Call: (224) [user] predicate_property('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), number_of_clauses(_125904))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), number_of_clauses(_125904))
Call: (225) [system] nonvar(number_of_clauses(_125904))
Exit: (225) [system] nonvar(number_of_clauses(_125904))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_125904), user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_125904), user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (227) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Exit: (227) [system] callable('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(739), user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), number_of_clauses(739))
^ Unify: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _140748), (prolog_current_choice(_140758), push_current_choice(_140758), clause('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _140780), pfc_call(_140780)), nb_setval('$pfc_current_choice', _140748))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _140748), user:(prolog_current_choice(_140758), push_current_choice(_140758), clause('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _140780), pfc_call(_140780)), user:nb_setval('$pfc_current_choice', _140748))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _140748))
Call: (227) [system] nb_current('$pfc_current_choice', _140748)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_140758)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _150098)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _140780)
^ Fail: (226) [user] clause('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _140780)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _158470)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _140748), user:(prolog_current_choice(_140758), push_current_choice(_140758), clause('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)), _140780), pfc_call(_140780)), user:nb_setval('$pfc_current_choice', _140748))
^ Fail: (223) [user] pfc_call('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_65576, _67454, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584)))
^ Fail: (221) [user] pfc_spft(_65576, _165974, '$nt$'('next-operation'(op(+, =, car)), _65582, _65584))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, car)), 'next-operation'(op(+, =, car))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, car)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, car)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, car))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, car))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, car))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, car)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3626, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_3626)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3626, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_3626)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3626, (notrace, wdmsg(('next-operation'(op(+, =, car))=>_3626)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, car)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_263500)
Fail: (202) [t_l] t_l:pfcSearchTL(_263500)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_266274)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, car)), (P;HTML|mfl4(_3602, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, car)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, car)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [car, _x], ['car-atom', _x]], op(+, =, car)), pfcAdd_Now('next-operation'(op(+, =, car))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]])\=[_287760|_287762]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]])\=[_287760|_287762]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]))*->_3422='True';_3422='False'), error(_291498, _291500), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]))*->_3422='True';_3422='False'), error(_291498, _291500), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]])
Call: (204) [user] metta_interp_mode(+, _295214)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [car, _x], ['car-atom', _x]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [car, _x], ['car-atom', _x]])
Call: (205) [user] metta_interp_mode(load, _299804)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [car, _x], ['car-atom', _x]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [car, _x], ['car-atom', _x]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [car, _x], ['car-atom', _x]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [car, _x], ['car-atom', _x]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [car, _x], ['car-atom', _x]], [=, [car, _x], ['car-atom', _x]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [car, _x], ['car-atom', _x]], [=, [car, _x], ['car-atom', _x]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _309026)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [car, _x], ['car-atom', _x]], [=, [car, _x], ['car-atom', _x]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [car, _x], ['car-atom', _x]], [=, [car, _x], ['car-atom', _x]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [car, _x], ['car-atom', _x]], metta_atom('&self', [=, [car, _x], ['car-atom', _x]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [car, _x], ['car-atom', _x]], metta_atom('&self', [=, [car, _x], ['car-atom', _x]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_315502, _315504), once(user:is_compatio0), '$restore_trace'(_315502, _315504))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_315502, _315504), system:once(user:is_compatio0), system:'$restore_trace'(_315502, _315504))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_315502, _315504))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [car, _x], ['car-atom', _x]], metta_atom('&self', [=, [car, _x], ['car-atom', _x]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [car, _x], ['car-atom', _x]], metta_atom('&self', [=, [car, _x], ['car-atom', _x]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_321120, must_det_ll(user:metta_anew(load, [=, [car, _x], ['car-atom', _x]], metta_atom('&self', [=, [car, _x], ['car-atom', _x]])))), (_321120==""->true;our_ansi_format('#ffa505', '~w~n', [_321120]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_321120, must_det_ll(user:metta_anew(load, [=, [car, _x], ['car-atom', _x]], metta_atom('&self', [=, [car, _x], ['car-atom', _x]])))), (_321120==""->true;our_ansi_format('#ffa505', '~w~n', [_321120]))))
(=
(car $x)
(car-atom $x))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [car, _x], ['car-atom', _x]], metta_atom('&self', [=, [car, _x], ['car-atom', _x]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [car, _x], ['car-atom', _x]], metta_atom('&self', [=, [car, _x], ['car-atom', _x]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [car, _x], ['car-atom', _x]], [=, [car, _x], ['car-atom', _x]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [car, _x], ['car-atom', _x]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]))*->'True'='True';'True'='False'), error(_291498, _291500), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [car, _x], ['car-atom', _x]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [car, _x], ['car-atom', _x]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [cdr, _352668], ['cdr-atom', _352668]], ['_x'=_352668], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(260, 11, 18, 260))
^ Exit: (193) [user] metta_file_buffer(+, [=, [cdr, _352668], ['cdr-atom', _352668]], ['_x'=_352668], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(260, 11, 18, 260))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_352668])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_352668])
Call: (195) [apply] apply:maplist_(['_x'=_352668], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_352668], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_352668)
Unify: (196) [user] maybe_assign('_x'=_352668)
^ Call: (197) [user] ignore(_352668=_x)
^ Unify: (197) [system] ignore(user:(_352668=_x))
Call: (198) [system] _352668=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422)
Call: (196) [system] var([=, [cdr, _x], ['cdr-atom', _x]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [cdr, _x], ['cdr-atom', _x]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422)
Call: (196) [system] string([=, [cdr, _x], ['cdr-atom', _x]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [cdr, _x], ['cdr-atom', _x]], _432938), pfcAdd_Now('next-operation'(_432938)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [cdr, _x], ['cdr-atom', _x]], _432938), pfcAdd_Now('next-operation'(_432938)))
Call: (197) [user] into_simple_op(+, [=, [cdr, _x], ['cdr-atom', _x]], _432938)
Unify: (197) [user] into_simple_op(+, [=, [cdr, _x], ['cdr-atom', _x]], op(+, =, _435730))
Call: (198) [user] o_s([[cdr, _x], ['cdr-atom', _x]], _435730)
Unify: (198) [user] o_s([[cdr, _x], ['cdr-atom', _x]], _435730)
Call: (199) [user] o_s([cdr, _x], _435730)
Unify: (199) [user] o_s([cdr, _x], _435730)
Call: (200) [user] o_s(cdr, _435730)
Unify: (200) [user] o_s(cdr, cdr)
Exit: (200) [user] o_s(cdr, cdr)
Exit: (199) [user] o_s([cdr, _x], cdr)
Exit: (198) [user] o_s([[cdr, _x], ['cdr-atom', _x]], cdr)
Exit: (197) [user] into_simple_op(+, [=, [cdr, _x], ['cdr-atom', _x]], op(+, =, cdr))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cdr)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cdr)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cdr))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cdr))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cdr))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cdr))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, cdr)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, cdr)))
^ Call: (199) [user] must_ex(current_why_UU(_456948))
^ Unify: (199) [user] must_ex(current_why_UU(_456948))
Call: (201) [user] current_why_UU(_456948)
Unify: (201) [user] current_why_UU(_456948)
^ Call: (202) [user] get_why_uu(_456948)
^ Unify: (202) [user] get_why_uu(_456948)
^ Call: (203) [user] findall(_462488, current_why(_462488), _462494)
^ Unify: (203) [$bags] findall(_462488, user:current_why(_462488), _462494)
^ Call: (204) [$bags] findall(_462488, user:current_why(_462488), _462494, [])
^ Unify: (204) [$bags] findall(_462488, user:current_why(_462488), _462494, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_462488, user:current_why(_462488), _462494, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_462488, user:current_why(_462488), _462494, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_462488, user:current_why(_462488), _462494, [])
Unify: (206) [$bags] findall_loop(_462488, user:current_why(_462488), _462494, [])
^ Call: (207) [user] bugger:current_why(_462488)
^ Unify: (207) [user] bugger:current_why(_462488)
^ Call: (208) [user] bugger:current_why_data(_462488)
^ Unify: (208) [user] bugger:current_why_data(_462488)
Call: (209) [system] nb_current('$current_why', wp(_462488, _473748))
Fail: (209) [system] nb_current('$current_why', wp(_462488, _473748))
^ Redo: (208) [user] bugger:current_why_data(_462488)
^ Unify: (208) [user] bugger:current_why_data(_462488)
Call: (209) [t_l] t_l:current_why_source(_462488)
Fail: (209) [t_l] t_l:current_why_source(_462488)
^ Fail: (208) [user] bugger:current_why_data(_462488)
^ Redo: (207) [user] bugger:current_why(_462488)
^ Unify: (207) [user] bugger:current_why(mfl4(_481176, _481178, _481180, _481182))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_482132, _482134), once(user:current_mfl4(_481176, _481178, _481180, _481182)), '$restore_trace'(_482132, _482134))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_482132, _482134), system:once(user:current_mfl4(_481176, _481178, _481180, _481182)), system:'$restore_trace'(_482132, _482134))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_482132, _482134))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_481176, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_481176, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_462488, user:current_why(_462488), _462494, [])
Exit: (206) [$bags] findall_loop(_462488, user:current_why(_462488), [P;HTML|mfl4(_498994, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_462488, user:current_why(_462488), [P;HTML|mfl4(_498994, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_462488, user:current_why(_462488), [P;HTML|mfl4(_498994, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_462488, user:current_why(_462488), [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3586)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3586)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_99028, _99030)
Fail: (204) [system] [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_99028, _99030)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3586)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3586)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _129454)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _129454)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _129454)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _129454)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _129454)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _129454)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _129454)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _129454)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _129454)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3586)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3586)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_492922, _492924)
Fail: (205) [system] P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_492922, _492924)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3586)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cdr)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cdr)))
Call: (202) [system] is_list('next-operation'(op(+, =, cdr)))
Fail: (202) [system] is_list('next-operation'(op(+, =, cdr)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cdr)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, cdr)), _133806)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, cdr)), _133806)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, cdr)), _133806)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _153642, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_153642)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _153642, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_153642)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _153642, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_153642)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _153642, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_153642)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _184164)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _153642, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_153642)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _153642, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_153642)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, cdr)), P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, cdr)), P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cdr)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cdr)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cdr)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cdr)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, cdr)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, cdr)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, cdr)), _284816, _284818)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, cdr)), user, 'next-operation'(op(+, =, cdr)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cdr)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cdr)), true)
Call: (212) [system] _288560=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cdr)), true, _290430)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cdr)), true, _290430)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cdr)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cdr)), true, _293258)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cdr)), true, _293258)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cdr)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, cdr)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cdr)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cdr)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cdr)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cdr)));assert('next-operation'(op(+, =, cdr))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cdr)));assert('next-operation'(op(+, =, cdr))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, cdr)));assert('next-operation'(op(+, =, cdr)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cdr)));assert('next-operation'(op(+, =, cdr)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, cdr)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, cdr)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, cdr)), _320608, _320610)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, cdr)), user, 'next-operation'(op(+, =, cdr)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cdr)), _322488, _322490)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)), true)
Call: (215) [system] var('next-operation'(op(+, =, cdr)))
Fail: (215) [system] var('next-operation'(op(+, =, cdr)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cdr)), _322488, _322490)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cdr)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cdr)), true)
Call: (215) [system] _330894=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cdr)), true, _332764)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cdr)), true, _332764)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cdr)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cdr)), true, _335592)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cdr)), true, _335592)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cdr)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, cdr)))
^ Call: (213) [user] assert('next-operation'(op(+, =, cdr)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, cdr)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cdr)));assert('next-operation'(op(+, =, cdr)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cdr)));assert('next-operation'(op(+, =, cdr))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, cdr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cdr)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cdr)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cdr)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _392382)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _392382)
Call: (216) [system] var('next-operation'(op(+, =, cdr)))
Fail: (216) [system] var('next-operation'(op(+, =, cdr)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _392382)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _392382)
Call: (216) [system] compound('next-operation'(op(+, =, cdr)))
Exit: (216) [system] compound('next-operation'(op(+, =, cdr)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _392382)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _392382)
Call: (216) [system] _403534 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, cdr)), _405392)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cdr)), _405392)
Call: (217) [system] is_list('next-operation'(op(+, =, cdr)))
Fail: (217) [system] is_list('next-operation'(op(+, =, cdr)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, cdr)), _405392)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cdr)), _405392)
Call: (217) [system] compound('next-operation'(op(+, =, cdr)))
Exit: (217) [system] compound('next-operation'(op(+, =, cdr)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, cdr)), _412802, _412804)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, cdr)), 'next-operation', [op(+, =, cdr)])
Call: (217) [lists] lists:member(_405392, ['next-operation', op(+, =, cdr)])
Unify: (217) [lists] lists:member(_405392, ['next-operation', op(+, =, cdr)])
Call: (218) [lists] lists:member_([op(+, =, cdr)], _405392, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cdr)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, cdr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, cdr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cdr)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _392382)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _392382)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _392382)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _392382)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _392382)
Call: (217) [system] _392382='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, cdr)], _405392, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cdr)], _405392, 'next-operation')
Call: (219) [lists] lists:member_([], _405392, op(+, =, cdr))
Unify: (219) [lists] lists:member_([], op(+, =, cdr), op(+, =, cdr))
Exit: (219) [lists] lists:member_([], op(+, =, cdr), op(+, =, cdr))
Exit: (218) [lists] lists:member_([op(+, =, cdr)], op(+, =, cdr), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, cdr), ['next-operation', op(+, =, cdr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cdr)), op(+, =, cdr))
^ Call: (216) [user] compound_eles(0, op(+, =, cdr), _392382)
^ Unify: (216) [user] compound_eles(0, op(+, =, cdr), _392382)
Call: (217) [system] var(op(+, =, cdr))
Fail: (217) [system] var(op(+, =, cdr))
^ Redo: (216) [user] compound_eles(0, op(+, =, cdr), _392382)
^ Unify: (216) [user] compound_eles(0, op(+, =, cdr), _392382)
Call: (217) [system] compound(op(+, =, cdr))
Exit: (217) [system] compound(op(+, =, cdr))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _392382=op(+, =, cdr)
Exit: (217) [system] op(+, =, cdr)=op(+, =, cdr)
^ Exit: (216) [user] compound_eles(0, op(+, =, cdr), op(+, =, cdr))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), op(+, =, cdr))
^ Call: (215) [user] pfcIgnored(op(+, =, cdr))
^ Fail: (215) [user] pfcIgnored(op(+, =, cdr))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cdr)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, cdr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cdr)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _460182)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _460182)
Call: (215) [system] var('next-operation'(op(+, =, cdr)))
Fail: (215) [system] var('next-operation'(op(+, =, cdr)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _460182)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _460182)
Call: (215) [system] compound('next-operation'(op(+, =, cdr)))
Exit: (215) [system] compound('next-operation'(op(+, =, cdr)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _460182)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), _460182)
Call: (215) [system] _471334 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, cdr)), _473192)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cdr)), _473192)
Call: (216) [system] is_list('next-operation'(op(+, =, cdr)))
Fail: (216) [system] is_list('next-operation'(op(+, =, cdr)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, cdr)), _473192)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cdr)), _473192)
Call: (216) [system] compound('next-operation'(op(+, =, cdr)))
Exit: (216) [system] compound('next-operation'(op(+, =, cdr)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, cdr)), _480602, _480604)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, cdr)), 'next-operation', [op(+, =, cdr)])
Call: (216) [lists] lists:member(_473192, ['next-operation', op(+, =, cdr)])
Unify: (216) [lists] lists:member(_473192, ['next-operation', op(+, =, cdr)])
Call: (217) [lists] lists:member_([op(+, =, cdr)], _473192, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cdr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, cdr)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, cdr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cdr)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _460182)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _460182)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _460182)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _460182)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _460182)
Call: (216) [system] _460182='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, cdr)], _473192, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cdr)], _473192, 'next-operation')
Call: (218) [lists] lists:member_([], _473192, op(+, =, cdr))
Unify: (218) [lists] lists:member_([], op(+, =, cdr), op(+, =, cdr))
Exit: (218) [lists] lists:member_([], op(+, =, cdr), op(+, =, cdr))
Exit: (217) [lists] lists:member_([op(+, =, cdr)], op(+, =, cdr), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, cdr), ['next-operation', op(+, =, cdr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cdr)), op(+, =, cdr))
^ Call: (215) [user] compound_eles(0, op(+, =, cdr), _460182)
^ Unify: (215) [user] compound_eles(0, op(+, =, cdr), _460182)
Call: (216) [system] var(op(+, =, cdr))
Fail: (216) [system] var(op(+, =, cdr))
^ Redo: (215) [user] compound_eles(0, op(+, =, cdr), _460182)
^ Unify: (215) [user] compound_eles(0, op(+, =, cdr), _460182)
Call: (216) [system] compound(op(+, =, cdr))
Exit: (216) [system] compound(op(+, =, cdr))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _460182=op(+, =, cdr)
Exit: (216) [system] op(+, =, cdr)=op(+, =, cdr)
^ Exit: (215) [user] compound_eles(0, op(+, =, cdr), op(+, =, cdr))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cdr)), op(+, =, cdr))
^ Call: (214) [user] pfcTraced(op(+, =, cdr))
^ Fail: (214) [user] pfcTraced(op(+, =, cdr))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, cdr)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, cdr)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, cdr)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_106670)
^ Unify: (212) [user] pfcGetSearch(_106670)
Call: (213) [t_l] t_l:pfcSearchTL(_108520)
Fail: (213) [t_l] t_l:pfcSearchTL(_108520)
^ Redo: (212) [user] pfcGetSearch(_106670)
^ Call: (213) [user] pfcSearch(_111294)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _106670=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, cdr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cdr)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, cdr)), _135768)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, cdr)), _135768)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, cdr)), _135768)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, cdr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cdr)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, cdr))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cdr))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cdr))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cdr))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _146030)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cdr))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cdr))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, cdr)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, cdr)))
Call: (218) [system] is_list(_153526)
Fail: (218) [system] is_list(_153526)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, cdr)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, cdr)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, cdr)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, cdr)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, cdr)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, cdr)))
Call: (219) [system] copy_term('next-operation'(op(+, =, cdr)), _160920)
Exit: (219) [system] copy_term('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, cdr)), _166512), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, cdr)), _166512), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cdr)), _166512), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cdr)), _166512), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cdr)), _166512), _203582, _203584)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cdr)), _166512), _203582, _203584)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cdr)), _166512), _203582, _203584)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cdr)), _166512), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cdr)), _166512), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cdr)), _166512), _214824)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), _215764)
Call: (224) [system] nonvar(_216622)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), _217624)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), _218558)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cdr)), _166512), number_of_clauses(_227752))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), number_of_clauses(_227752))
Call: (224) [system] nonvar(number_of_clauses(_227752))
Exit: (224) [system] nonvar(number_of_clauses(_227752))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_227752), user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_227752), user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cdr)), _166512))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cdr)), _166512), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _242596), (prolog_current_choice(_242606), push_current_choice(_242606), clause('$pt$'('next-operation'(op(+, =, cdr)), _166512), _242628), pfc_call(_242628)), nb_setval('$pfc_current_choice', _242596))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _242596), user:(prolog_current_choice(_242606), push_current_choice(_242606), clause('$pt$'('next-operation'(op(+, =, cdr)), _166512), _242628), pfc_call(_242628)), user:nb_setval('$pfc_current_choice', _242596))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _242596))
Call: (226) [system] nb_current('$pfc_current_choice', _242596)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_242606)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _251946)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, cdr)), _166512), _242628)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, cdr)), _166512), _242628)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _260318)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _242596), user:(prolog_current_choice(_242606), push_current_choice(_242606), clause('$pt$'('next-operation'(op(+, =, cdr)), _166512), _242628), pfc_call(_242628)), user:nb_setval('$pfc_current_choice', _242596))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cdr)), _166512))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Call: (221) [user] pfc_spft(_275188, _275274, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196))
^ Unify: (221) [user] pfc_spft(_275188, _276206, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196))
^ Call: (222) [user] pfcCallSystem('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Call: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Unify: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (224) [system] var('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Fail: (224) [system] var('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Redo: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Unify: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (224) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Exit: (224) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Unify: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Redo: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Unify: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Call: (224) [user] predicate_property('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (227) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Exit: (227) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Unify: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Call: (224) [user] predicate_property('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (226) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Exit: (226) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _311346, _311348)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _311346, _311348)
Call: (227) [system] compound('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Exit: (227) [system] compound('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (227) [system] compound_name_arity('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _311346, _311348)
Exit: (227) [system] compound_name_arity('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Unify: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Call: (224) [user] predicate_property('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _322588)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _323528)
Call: (225) [system] nonvar(_324386)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _325388)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _326322)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (226) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Exit: (226) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Call: (224) [user] predicate_property('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), number_of_clauses(_335516))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), number_of_clauses(_335516))
Call: (225) [system] nonvar(number_of_clauses(_335516))
Exit: (225) [system] nonvar(number_of_clauses(_335516))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_335516), user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_335516), user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (227) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Exit: (227) [system] callable('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(741), user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), number_of_clauses(741))
^ Unify: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _350360), (prolog_current_choice(_350370), push_current_choice(_350370), clause('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _350392), pfc_call(_350392)), nb_setval('$pfc_current_choice', _350360))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _350360), user:(prolog_current_choice(_350370), push_current_choice(_350370), clause('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _350392), pfc_call(_350392)), user:nb_setval('$pfc_current_choice', _350360))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _350360))
Call: (227) [system] nb_current('$pfc_current_choice', _350360)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_350370)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _359710)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _350392)
^ Fail: (226) [user] clause('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _350392)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _368082)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _350360), user:(prolog_current_choice(_350370), push_current_choice(_350370), clause('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)), _350392), pfc_call(_350392)), user:nb_setval('$pfc_current_choice', _350360))
^ Fail: (223) [user] pfc_call('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_275188, _277066, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196)))
^ Fail: (221) [user] pfc_spft(_275188, _375586, '$nt$'('next-operation'(op(+, =, cdr)), _275194, _275196))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cdr)), 'next-operation'(op(+, =, cdr))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, cdr)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, cdr)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cdr))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cdr))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cdr))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, cdr)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3612, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_3612)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3612, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_3612)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3612, (notrace, wdmsg(('next-operation'(op(+, =, cdr))=>_3612)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cdr)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_473112)
Fail: (202) [t_l] t_l:pfcSearchTL(_473112)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_475886)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, cdr)), (P;HTML|mfl4(_3588, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, cdr)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cdr)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [cdr, _x], ['cdr-atom', _x]], op(+, =, cdr)), pfcAdd_Now('next-operation'(op(+, =, cdr))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]])\=[_497372|_497374]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]])\=[_497372|_497374]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]))*->_3422='True';_3422='False'), error(_501110, _501112), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]))*->_3422='True';_3422='False'), error(_501110, _501112), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]])
Call: (204) [user] metta_interp_mode(+, _504826)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [cdr, _x], ['cdr-atom', _x]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cdr, _x], ['cdr-atom', _x]])
Call: (205) [user] metta_interp_mode(load, _509416)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cdr, _x], ['cdr-atom', _x]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cdr, _x], ['cdr-atom', _x]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cdr, _x], ['cdr-atom', _x]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cdr, _x], ['cdr-atom', _x]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [cdr, _x], ['cdr-atom', _x]], [=, [cdr, _x], ['cdr-atom', _x]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cdr, _x], ['cdr-atom', _x]], [=, [cdr, _x], ['cdr-atom', _x]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _518638)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [cdr, _x], ['cdr-atom', _x]], [=, [cdr, _x], ['cdr-atom', _x]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cdr, _x], ['cdr-atom', _x]], [=, [cdr, _x], ['cdr-atom', _x]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cdr, _x], ['cdr-atom', _x]], metta_atom('&self', [=, [cdr, _x], ['cdr-atom', _x]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cdr, _x], ['cdr-atom', _x]], metta_atom('&self', [=, [cdr, _x], ['cdr-atom', _x]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_4960, _4962), once(user:is_compatio0), '$restore_trace'(_4960, _4962))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_4960, _4962), system:once(user:is_compatio0), system:'$restore_trace'(_4960, _4962))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_4960, _4962))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cdr, _x], ['cdr-atom', _x]], metta_atom('&self', [=, [cdr, _x], ['cdr-atom', _x]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cdr, _x], ['cdr-atom', _x]], metta_atom('&self', [=, [cdr, _x], ['cdr-atom', _x]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_10578, must_det_ll(user:metta_anew(load, [=, [cdr, _x], ['cdr-atom', _x]], metta_atom('&self', [=, [cdr, _x], ['cdr-atom', _x]])))), (_10578==""->true;our_ansi_format('#ffa505', '~w~n', [_10578]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_10578, must_det_ll(user:metta_anew(load, [=, [cdr, _x], ['cdr-atom', _x]], metta_atom('&self', [=, [cdr, _x], ['cdr-atom', _x]])))), (_10578==""->true;our_ansi_format('#ffa505', '~w~n', [_10578]))))
(=
(cdr $x)
(cdr-atom $x))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [cdr, _x], ['cdr-atom', _x]], metta_atom('&self', [=, [cdr, _x], ['cdr-atom', _x]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cdr, _x], ['cdr-atom', _x]], metta_atom('&self', [=, [cdr, _x], ['cdr-atom', _x]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [cdr, _x], ['cdr-atom', _x]], [=, [cdr, _x], ['cdr-atom', _x]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [cdr, _x], ['cdr-atom', _x]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]))*->'True'='True';'True'='False'), error(_3638, _3640), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cdr, _x], ['cdr-atom', _x]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cdr, _x], ['cdr-atom', _x]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [cddr, _42126], [cdr, [cdr, _42126]]], ['_x'=_42126], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(292, 14, 18, 292))
^ Exit: (193) [user] metta_file_buffer(+, [=, [cddr, _42126], [cdr, [cdr, _42126]]], ['_x'=_42126], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(292, 14, 18, 292))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_42126])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_42126])
Call: (195) [apply] apply:maplist_(['_x'=_42126], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_42126], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_42126)
Unify: (196) [user] maybe_assign('_x'=_42126)
^ Call: (197) [user] ignore(_42126=_x)
^ Unify: (197) [system] ignore(user:(_42126=_x))
Call: (198) [system] _42126=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422)
Call: (196) [system] var([=, [cddr, _x], [cdr, [cdr, _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [cddr, _x], [cdr, [cdr, _x]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422)
Call: (196) [system] string([=, [cddr, _x], [cdr, [cdr, _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [cddr, _x], [cdr, [cdr, _x]]], _122408), pfcAdd_Now('next-operation'(_122408)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [cddr, _x], [cdr, [cdr, _x]]], _122408), pfcAdd_Now('next-operation'(_122408)))
Call: (197) [user] into_simple_op(+, [=, [cddr, _x], [cdr, [cdr, _x]]], _122408)
Unify: (197) [user] into_simple_op(+, [=, [cddr, _x], [cdr, [cdr, _x]]], op(+, =, _125200))
Call: (198) [user] o_s([[cddr, _x], [cdr, [cdr, _x]]], _125200)
Unify: (198) [user] o_s([[cddr, _x], [cdr, [cdr, _x]]], _125200)
Call: (199) [user] o_s([cddr, _x], _125200)
Unify: (199) [user] o_s([cddr, _x], _125200)
Call: (200) [user] o_s(cddr, _125200)
Unify: (200) [user] o_s(cddr, cddr)
Exit: (200) [user] o_s(cddr, cddr)
Exit: (199) [user] o_s([cddr, _x], cddr)
Exit: (198) [user] o_s([[cddr, _x], [cdr, [cdr, _x]]], cddr)
Exit: (197) [user] into_simple_op(+, [=, [cddr, _x], [cdr, [cdr, _x]]], op(+, =, cddr))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cddr)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cddr)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cddr))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cddr))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cddr))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cddr))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, cddr)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, cddr)))
^ Call: (199) [user] must_ex(current_why_UU(_146418))
^ Unify: (199) [user] must_ex(current_why_UU(_146418))
Call: (201) [user] current_why_UU(_146418)
Unify: (201) [user] current_why_UU(_146418)
^ Call: (202) [user] get_why_uu(_146418)
^ Unify: (202) [user] get_why_uu(_146418)
^ Call: (203) [user] findall(_151958, current_why(_151958), _151964)
^ Unify: (203) [$bags] findall(_151958, user:current_why(_151958), _151964)
^ Call: (204) [$bags] findall(_151958, user:current_why(_151958), _151964, [])
^ Unify: (204) [$bags] findall(_151958, user:current_why(_151958), _151964, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_151958, user:current_why(_151958), _151964, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_151958, user:current_why(_151958), _151964, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_151958, user:current_why(_151958), _151964, [])
Unify: (206) [$bags] findall_loop(_151958, user:current_why(_151958), _151964, [])
^ Call: (207) [user] bugger:current_why(_151958)
^ Unify: (207) [user] bugger:current_why(_151958)
^ Call: (208) [user] bugger:current_why_data(_151958)
^ Unify: (208) [user] bugger:current_why_data(_151958)
Call: (209) [system] nb_current('$current_why', wp(_151958, _163218))
Fail: (209) [system] nb_current('$current_why', wp(_151958, _163218))
^ Redo: (208) [user] bugger:current_why_data(_151958)
^ Unify: (208) [user] bugger:current_why_data(_151958)
Call: (209) [t_l] t_l:current_why_source(_151958)
Fail: (209) [t_l] t_l:current_why_source(_151958)
^ Fail: (208) [user] bugger:current_why_data(_151958)
^ Redo: (207) [user] bugger:current_why(_151958)
^ Unify: (207) [user] bugger:current_why(mfl4(_170646, _170648, _170650, _170652))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_171602, _171604), once(user:current_mfl4(_170646, _170648, _170650, _170652)), '$restore_trace'(_171602, _171604))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_171602, _171604), system:once(user:current_mfl4(_170646, _170648, _170650, _170652)), system:'$restore_trace'(_171602, _171604))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_171602, _171604))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_170646, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_170646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_151958, user:current_why(_151958), _151964, [])
Exit: (206) [$bags] findall_loop(_151958, user:current_why(_151958), [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_151958, user:current_why(_151958), [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_151958, user:current_why(_151958), [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_151958, user:current_why(_151958), [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _146418)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _146418)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_308348, _308350)
Fail: (204) [system] [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_308348, _308350)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _146418)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _146418)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _338782)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _338782)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _338782)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _338782)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _338782)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _338782)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _338782)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _338782)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_188464, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3644)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_183966, _183968)
Fail: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_183966, _183968)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cddr)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cddr)))
Call: (202) [system] is_list('next-operation'(op(+, =, cddr)))
Fail: (202) [system] is_list('next-operation'(op(+, =, cddr)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cddr)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, cddr)), _342700)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, cddr)), _342700)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, cddr)), _342700)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _362536, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_362536)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _362536, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_362536)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _362536, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_362536)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _362536, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_362536)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _393058)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _362536, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_362536)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _362536, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_362536)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, cddr)), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, cddr)), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cddr)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cddr)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cddr)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cddr)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, cddr)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, cddr)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, cddr)), _493710, _493712)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, cddr)), user, 'next-operation'(op(+, =, cddr)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cddr)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cddr)), true)
Call: (212) [system] _497454=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cddr)), true, _499324)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cddr)), true, _499324)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cddr)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cddr)), true, _502152)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cddr)), true, _502152)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cddr)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, cddr)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cddr)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cddr)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cddr)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cddr)));assert('next-operation'(op(+, =, cddr))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cddr)));assert('next-operation'(op(+, =, cddr))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, cddr)));assert('next-operation'(op(+, =, cddr)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cddr)));assert('next-operation'(op(+, =, cddr)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, cddr)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, cddr)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, cddr)), _11278, _11280)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, cddr)), user, 'next-operation'(op(+, =, cddr)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cddr)), _13158, _13160)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)), true)
Call: (215) [system] var('next-operation'(op(+, =, cddr)))
Fail: (215) [system] var('next-operation'(op(+, =, cddr)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cddr)), _13158, _13160)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cddr)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cddr)), true)
Call: (215) [system] _21564=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cddr)), true, _23434)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cddr)), true, _23434)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cddr)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cddr)), true, _26262)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cddr)), true, _26262)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cddr)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, cddr)))
^ Call: (213) [user] assert('next-operation'(op(+, =, cddr)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, cddr)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cddr)));assert('next-operation'(op(+, =, cddr)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cddr)));assert('next-operation'(op(+, =, cddr))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, cddr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cddr)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cddr)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cddr)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _83052)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _83052)
Call: (216) [system] var('next-operation'(op(+, =, cddr)))
Fail: (216) [system] var('next-operation'(op(+, =, cddr)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _83052)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _83052)
Call: (216) [system] compound('next-operation'(op(+, =, cddr)))
Exit: (216) [system] compound('next-operation'(op(+, =, cddr)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _83052)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _83052)
Call: (216) [system] _94204 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, cddr)), _96062)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cddr)), _96062)
Call: (217) [system] is_list('next-operation'(op(+, =, cddr)))
Fail: (217) [system] is_list('next-operation'(op(+, =, cddr)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, cddr)), _96062)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cddr)), _96062)
Call: (217) [system] compound('next-operation'(op(+, =, cddr)))
Exit: (217) [system] compound('next-operation'(op(+, =, cddr)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, cddr)), _103472, _103474)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, cddr)), 'next-operation', [op(+, =, cddr)])
Call: (217) [lists] lists:member(_96062, ['next-operation', op(+, =, cddr)])
Unify: (217) [lists] lists:member(_96062, ['next-operation', op(+, =, cddr)])
Call: (218) [lists] lists:member_([op(+, =, cddr)], _96062, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cddr)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, cddr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, cddr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cddr)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _83052)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _83052)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _83052)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _83052)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _83052)
Call: (217) [system] _83052='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, cddr)], _96062, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cddr)], _96062, 'next-operation')
Call: (219) [lists] lists:member_([], _96062, op(+, =, cddr))
Unify: (219) [lists] lists:member_([], op(+, =, cddr), op(+, =, cddr))
Exit: (219) [lists] lists:member_([], op(+, =, cddr), op(+, =, cddr))
Exit: (218) [lists] lists:member_([op(+, =, cddr)], op(+, =, cddr), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, cddr), ['next-operation', op(+, =, cddr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cddr)), op(+, =, cddr))
^ Call: (216) [user] compound_eles(0, op(+, =, cddr), _83052)
^ Unify: (216) [user] compound_eles(0, op(+, =, cddr), _83052)
Call: (217) [system] var(op(+, =, cddr))
Fail: (217) [system] var(op(+, =, cddr))
^ Redo: (216) [user] compound_eles(0, op(+, =, cddr), _83052)
^ Unify: (216) [user] compound_eles(0, op(+, =, cddr), _83052)
Call: (217) [system] compound(op(+, =, cddr))
Exit: (217) [system] compound(op(+, =, cddr))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _83052=op(+, =, cddr)
Exit: (217) [system] op(+, =, cddr)=op(+, =, cddr)
^ Exit: (216) [user] compound_eles(0, op(+, =, cddr), op(+, =, cddr))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), op(+, =, cddr))
^ Call: (215) [user] pfcIgnored(op(+, =, cddr))
^ Fail: (215) [user] pfcIgnored(op(+, =, cddr))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cddr)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, cddr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cddr)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _150852)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _150852)
Call: (215) [system] var('next-operation'(op(+, =, cddr)))
Fail: (215) [system] var('next-operation'(op(+, =, cddr)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _150852)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _150852)
Call: (215) [system] compound('next-operation'(op(+, =, cddr)))
Exit: (215) [system] compound('next-operation'(op(+, =, cddr)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _150852)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), _150852)
Call: (215) [system] _162004 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, cddr)), _163862)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cddr)), _163862)
Call: (216) [system] is_list('next-operation'(op(+, =, cddr)))
Fail: (216) [system] is_list('next-operation'(op(+, =, cddr)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, cddr)), _163862)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cddr)), _163862)
Call: (216) [system] compound('next-operation'(op(+, =, cddr)))
Exit: (216) [system] compound('next-operation'(op(+, =, cddr)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, cddr)), _171272, _171274)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, cddr)), 'next-operation', [op(+, =, cddr)])
Call: (216) [lists] lists:member(_163862, ['next-operation', op(+, =, cddr)])
Unify: (216) [lists] lists:member(_163862, ['next-operation', op(+, =, cddr)])
Call: (217) [lists] lists:member_([op(+, =, cddr)], _163862, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cddr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, cddr)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, cddr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cddr)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _150852)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _150852)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _150852)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _150852)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _150852)
Call: (216) [system] _150852='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, cddr)], _163862, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cddr)], _163862, 'next-operation')
Call: (218) [lists] lists:member_([], _163862, op(+, =, cddr))
Unify: (218) [lists] lists:member_([], op(+, =, cddr), op(+, =, cddr))
Exit: (218) [lists] lists:member_([], op(+, =, cddr), op(+, =, cddr))
Exit: (217) [lists] lists:member_([op(+, =, cddr)], op(+, =, cddr), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, cddr), ['next-operation', op(+, =, cddr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cddr)), op(+, =, cddr))
^ Call: (215) [user] compound_eles(0, op(+, =, cddr), _150852)
^ Unify: (215) [user] compound_eles(0, op(+, =, cddr), _150852)
Call: (216) [system] var(op(+, =, cddr))
Fail: (216) [system] var(op(+, =, cddr))
^ Redo: (215) [user] compound_eles(0, op(+, =, cddr), _150852)
^ Unify: (215) [user] compound_eles(0, op(+, =, cddr), _150852)
Call: (216) [system] compound(op(+, =, cddr))
Exit: (216) [system] compound(op(+, =, cddr))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _150852=op(+, =, cddr)
Exit: (216) [system] op(+, =, cddr)=op(+, =, cddr)
^ Exit: (215) [user] compound_eles(0, op(+, =, cddr), op(+, =, cddr))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cddr)), op(+, =, cddr))
^ Call: (214) [user] pfcTraced(op(+, =, cddr))
^ Fail: (214) [user] pfcTraced(op(+, =, cddr))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, cddr)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, cddr)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, cddr)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_317524)
^ Unify: (212) [user] pfcGetSearch(_317524)
Call: (213) [t_l] t_l:pfcSearchTL(_319374)
Fail: (213) [t_l] t_l:pfcSearchTL(_319374)
^ Redo: (212) [user] pfcGetSearch(_317524)
^ Call: (213) [user] pfcSearch(_322148)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _317524=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, cddr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cddr)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, cddr)), _346622)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, cddr)), _346622)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, cddr)), _346622)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, cddr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cddr)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, cddr))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cddr))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cddr))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cddr))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _356884)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cddr))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cddr))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, cddr)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, cddr)))
Call: (218) [system] is_list(_364380)
Fail: (218) [system] is_list(_364380)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, cddr)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, cddr)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, cddr)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, cddr)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, cddr)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, cddr)))
Call: (219) [system] copy_term('next-operation'(op(+, =, cddr)), _371774)
Exit: (219) [system] copy_term('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, cddr)), _377366), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, cddr)), _377366), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cddr)), _377366), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cddr)), _377366), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cddr)), _377366), _414436, _414438)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cddr)), _377366), _414436, _414438)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cddr)), _377366), _414436, _414438)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cddr)), _377366), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cddr)), _377366), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cddr)), _377366), _425678)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), _426618)
Call: (224) [system] nonvar(_427476)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), _428478)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), _429412)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cddr)), _377366), number_of_clauses(_438606))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), number_of_clauses(_438606))
Call: (224) [system] nonvar(number_of_clauses(_438606))
Exit: (224) [system] nonvar(number_of_clauses(_438606))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_438606), user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_438606), user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cddr)), _377366))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cddr)), _377366), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _453450), (prolog_current_choice(_453460), push_current_choice(_453460), clause('$pt$'('next-operation'(op(+, =, cddr)), _377366), _453482), pfc_call(_453482)), nb_setval('$pfc_current_choice', _453450))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _453450), user:(prolog_current_choice(_453460), push_current_choice(_453460), clause('$pt$'('next-operation'(op(+, =, cddr)), _377366), _453482), pfc_call(_453482)), user:nb_setval('$pfc_current_choice', _453450))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _453450))
Call: (226) [system] nb_current('$pfc_current_choice', _453450)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_453460)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _462800)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, cddr)), _377366), _453482)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, cddr)), _377366), _453482)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _471172)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _453450), user:(prolog_current_choice(_453460), push_current_choice(_453460), clause('$pt$'('next-operation'(op(+, =, cddr)), _377366), _453482), pfc_call(_453482)), user:nb_setval('$pfc_current_choice', _453450))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cddr)), _377366))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Call: (221) [user] pfc_spft(_486042, _486128, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050))
^ Unify: (221) [user] pfc_spft(_486042, _487060, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050))
^ Call: (222) [user] pfcCallSystem('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Call: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Unify: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Call: (224) [system] var('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Fail: (224) [system] var('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Redo: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Unify: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Call: (224) [system] callable('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Exit: (224) [system] callable('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Unify: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Redo: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Unify: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Call: (224) [user] predicate_property('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Call: (227) [system] callable('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Exit: (227) [system] callable('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Unify: (223) [user] pfc_call('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
^ Call: (224) [user] predicate_property('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Call: (226) [system] callable('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Exit: (226) [system] callable('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)), _522200, _522202)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_486042, _487920, '$nt$'('next-operation'(op(+, =, cddr)), _486048, _486050)), _522200, _522202)
Call: (227) [system] compound('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Exit: (227) [system] compound('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Call: (227) [system] compound_name_arity('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _3878, _3880)
Exit: (227) [system] compound_name_arity('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
^ Unify: (223) [user] pfc_call('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
^ Call: (224) [user] predicate_property('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _13216)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _14156)
Call: (225) [system] nonvar(_15014)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _16016)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _16950)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Call: (226) [system] callable('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Exit: (226) [system] callable('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
^ Call: (224) [user] predicate_property('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), number_of_clauses(_26144))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), number_of_clauses(_26144))
Call: (225) [system] nonvar(number_of_clauses(_26144))
Exit: (225) [system] nonvar(number_of_clauses(_26144))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_26144), user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_26144), user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Call: (227) [system] callable('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Exit: (227) [system] callable('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(743), user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), number_of_clauses(743))
^ Unify: (223) [user] pfc_call('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _40988), (prolog_current_choice(_40998), push_current_choice(_40998), clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _41020), pfc_call(_41020)), nb_setval('$pfc_current_choice', _40988))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _40988), user:(prolog_current_choice(_40998), push_current_choice(_40998), clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _41020), pfc_call(_41020)), user:nb_setval('$pfc_current_choice', _40988))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _40988))
Call: (227) [system] nb_current('$pfc_current_choice', _40988)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_40998)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _50338)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _41020)
^ Fail: (226) [user] clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _41020)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _58710)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _40988), user:(prolog_current_choice(_40998), push_current_choice(_40998), clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)), _41020), pfc_call(_41020)), user:nb_setval('$pfc_current_choice', _40988))
^ Fail: (223) [user] pfc_call('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862)))
^ Fail: (221) [user] pfc_spft(_3854, _66214, '$nt$'('next-operation'(op(+, =, cddr)), _3860, _3862))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cddr)), 'next-operation'(op(+, =, cddr))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, cddr)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, cddr)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cddr))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cddr))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cddr))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, cddr)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_3624)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_3624)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, cddr))=>_3624)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cddr)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_163740)
Fail: (202) [t_l] t_l:pfcSearchTL(_163740)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_166514)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, cddr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, cddr)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cddr)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [cddr, _x], [cdr, [cdr, _x]]], op(+, =, cddr)), pfcAdd_Now('next-operation'(op(+, =, cddr))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]])\=[_188000|_188002]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]])\=[_188000|_188002]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]))*->_3422='True';_3422='False'), error(_191738, _191740), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]))*->_3422='True';_3422='False'), error(_191738, _191740), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]])
Call: (204) [user] metta_interp_mode(+, _195454)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]])
Call: (205) [user] metta_interp_mode(load, _200044)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]], [=, [cddr, _x], [cdr, [cdr, _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]], [=, [cddr, _x], [cdr, [cdr, _x]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _209266)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]], [=, [cddr, _x], [cdr, [cdr, _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]], [=, [cddr, _x], [cdr, [cdr, _x]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cddr, _x], [cdr, [cdr, _x]]], metta_atom('&self', [=, [cddr, _x], [cdr, [cdr, _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cddr, _x], [cdr, [cdr, _x]]], metta_atom('&self', [=, [cddr, _x], [cdr, [cdr, _x]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_215742, _215744), once(user:is_compatio0), '$restore_trace'(_215742, _215744))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_215742, _215744), system:once(user:is_compatio0), system:'$restore_trace'(_215742, _215744))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_215742, _215744))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cddr, _x], [cdr, [cdr, _x]]], metta_atom('&self', [=, [cddr, _x], [cdr, [cdr, _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cddr, _x], [cdr, [cdr, _x]]], metta_atom('&self', [=, [cddr, _x], [cdr, [cdr, _x]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_221360, must_det_ll(user:metta_anew(load, [=, [cddr, _x], [cdr, [cdr, _x]]], metta_atom('&self', [=, [cddr, _x], [cdr, [cdr, _x]]])))), (_221360==""->true;our_ansi_format('#ffa505', '~w~n', [_221360]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_221360, must_det_ll(user:metta_anew(load, [=, [cddr, _x], [cdr, [cdr, _x]]], metta_atom('&self', [=, [cddr, _x], [cdr, [cdr, _x]]])))), (_221360==""->true;our_ansi_format('#ffa505', '~w~n', [_221360]))))
(=
(cddr $x)
(cdr (cdr $x)))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [cddr, _x], [cdr, [cdr, _x]]], metta_atom('&self', [=, [cddr, _x], [cdr, [cdr, _x]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cddr, _x], [cdr, [cdr, _x]]], metta_atom('&self', [=, [cddr, _x], [cdr, [cdr, _x]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]], [=, [cddr, _x], [cdr, [cdr, _x]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [cddr, _x], [cdr, [cdr, _x]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]))*->'True'='True';'True'='False'), error(_191738, _191740), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cddr, _x], [cdr, [cdr, _x]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cddr, _x], [cdr, [cdr, _x]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [cadr, _252938], [car, [cdr, _252938]]], ['_x'=_252938], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(326, 17, 19, 326))
^ Exit: (193) [user] metta_file_buffer(+, [=, [cadr, _252938], [car, [cdr, _252938]]], ['_x'=_252938], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(326, 17, 19, 326))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_252938])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_252938])
Call: (195) [apply] apply:maplist_(['_x'=_252938], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_252938], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_252938)
Unify: (196) [user] maybe_assign('_x'=_252938)
^ Call: (197) [user] ignore(_252938=_x)
^ Unify: (197) [system] ignore(user:(_252938=_x))
Call: (198) [system] _252938=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422)
Call: (196) [system] var([=, [cadr, _x], [car, [cdr, _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [cadr, _x], [car, [cdr, _x]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422)
Call: (196) [system] string([=, [cadr, _x], [car, [cdr, _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [cadr, _x], [car, [cdr, _x]]], _333220), pfcAdd_Now('next-operation'(_333220)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [cadr, _x], [car, [cdr, _x]]], _333220), pfcAdd_Now('next-operation'(_333220)))
Call: (197) [user] into_simple_op(+, [=, [cadr, _x], [car, [cdr, _x]]], _333220)
Unify: (197) [user] into_simple_op(+, [=, [cadr, _x], [car, [cdr, _x]]], op(+, =, _336012))
Call: (198) [user] o_s([[cadr, _x], [car, [cdr, _x]]], _336012)
Unify: (198) [user] o_s([[cadr, _x], [car, [cdr, _x]]], _336012)
Call: (199) [user] o_s([cadr, _x], _336012)
Unify: (199) [user] o_s([cadr, _x], _336012)
Call: (200) [user] o_s(cadr, _336012)
Unify: (200) [user] o_s(cadr, cadr)
Exit: (200) [user] o_s(cadr, cadr)
Exit: (199) [user] o_s([cadr, _x], cadr)
Exit: (198) [user] o_s([[cadr, _x], [car, [cdr, _x]]], cadr)
Exit: (197) [user] into_simple_op(+, [=, [cadr, _x], [car, [cdr, _x]]], op(+, =, cadr))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cadr)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cadr)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cadr))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cadr))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cadr))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cadr))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, cadr)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, cadr)))
^ Call: (199) [user] must_ex(current_why_UU(_357230))
^ Unify: (199) [user] must_ex(current_why_UU(_357230))
Call: (201) [user] current_why_UU(_357230)
Unify: (201) [user] current_why_UU(_357230)
^ Call: (202) [user] get_why_uu(_357230)
^ Unify: (202) [user] get_why_uu(_357230)
^ Call: (203) [user] findall(_362770, current_why(_362770), _362776)
^ Unify: (203) [$bags] findall(_362770, user:current_why(_362770), _362776)
^ Call: (204) [$bags] findall(_362770, user:current_why(_362770), _362776, [])
^ Unify: (204) [$bags] findall(_362770, user:current_why(_362770), _362776, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_362770, user:current_why(_362770), _362776, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_362770, user:current_why(_362770), _362776, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_362770, user:current_why(_362770), _362776, [])
Unify: (206) [$bags] findall_loop(_362770, user:current_why(_362770), _362776, [])
^ Call: (207) [user] bugger:current_why(_362770)
^ Unify: (207) [user] bugger:current_why(_362770)
^ Call: (208) [user] bugger:current_why_data(_362770)
^ Unify: (208) [user] bugger:current_why_data(_362770)
Call: (209) [system] nb_current('$current_why', wp(_362770, _374030))
Fail: (209) [system] nb_current('$current_why', wp(_362770, _374030))
^ Redo: (208) [user] bugger:current_why_data(_362770)
^ Unify: (208) [user] bugger:current_why_data(_362770)
Call: (209) [t_l] t_l:current_why_source(_362770)
Fail: (209) [t_l] t_l:current_why_source(_362770)
^ Fail: (208) [user] bugger:current_why_data(_362770)
^ Redo: (207) [user] bugger:current_why(_362770)
^ Unify: (207) [user] bugger:current_why(mfl4(_381458, _381460, _381462, _381464))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_382414, _382416), once(user:current_mfl4(_381458, _381460, _381462, _381464)), '$restore_trace'(_382414, _382416))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_382414, _382416), system:once(user:current_mfl4(_381458, _381460, _381462, _381464)), system:'$restore_trace'(_382414, _382416))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_382414, _382416))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_381458, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_381458, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_362770, user:current_why(_362770), _362776, [])
Exit: (206) [$bags] findall_loop(_362770, user:current_why(_362770), [P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_362770, user:current_why(_362770), [P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_362770, user:current_why(_362770), [P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_362770, user:current_why(_362770), [P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _357230)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _357230)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_399276, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_3642, _3644)
Fail: (204) [system] [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_3642, _3644)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3598)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3598)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _30640)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _30640)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _30640)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _30640)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _30640)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _30640)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _30640)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _30640)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _30640)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_394108, _394110)
Fail: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_394108, _394110)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cadr)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cadr)))
Call: (202) [system] is_list('next-operation'(op(+, =, cadr)))
Fail: (202) [system] is_list('next-operation'(op(+, =, cadr)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cadr)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, cadr)), _33466)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, cadr)), _33466)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, cadr)), _33466)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _53302, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_53302)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _53302, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_53302)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _53302, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_53302)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _53302, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_53302)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _83824)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _53302, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_53302)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _53302, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_53302)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, cadr)), P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, cadr)), P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cadr)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cadr)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cadr)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cadr)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, cadr)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, cadr)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, cadr)), _184476, _184478)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, cadr)), user, 'next-operation'(op(+, =, cadr)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadr)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadr)), true)
Call: (212) [system] _188220=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cadr)), true, _190090)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cadr)), true, _190090)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadr)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cadr)), true, _192918)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cadr)), true, _192918)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadr)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, cadr)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cadr)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cadr)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cadr)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cadr)));assert('next-operation'(op(+, =, cadr))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cadr)));assert('next-operation'(op(+, =, cadr))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, cadr)));assert('next-operation'(op(+, =, cadr)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cadr)));assert('next-operation'(op(+, =, cadr)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, cadr)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, cadr)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, cadr)), _220268, _220270)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, cadr)), user, 'next-operation'(op(+, =, cadr)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadr)), _222148, _222150)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)), true)
Call: (215) [system] var('next-operation'(op(+, =, cadr)))
Fail: (215) [system] var('next-operation'(op(+, =, cadr)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadr)), _222148, _222150)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadr)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadr)), true)
Call: (215) [system] _230554=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cadr)), true, _232424)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cadr)), true, _232424)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadr)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cadr)), true, _235252)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cadr)), true, _235252)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadr)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, cadr)))
^ Call: (213) [user] assert('next-operation'(op(+, =, cadr)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, cadr)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cadr)));assert('next-operation'(op(+, =, cadr)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cadr)));assert('next-operation'(op(+, =, cadr))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadr)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cadr)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cadr)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _292042)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _292042)
Call: (216) [system] var('next-operation'(op(+, =, cadr)))
Fail: (216) [system] var('next-operation'(op(+, =, cadr)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _292042)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _292042)
Call: (216) [system] compound('next-operation'(op(+, =, cadr)))
Exit: (216) [system] compound('next-operation'(op(+, =, cadr)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _292042)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _292042)
Call: (216) [system] _303194 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, cadr)), _305052)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cadr)), _305052)
Call: (217) [system] is_list('next-operation'(op(+, =, cadr)))
Fail: (217) [system] is_list('next-operation'(op(+, =, cadr)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, cadr)), _305052)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cadr)), _305052)
Call: (217) [system] compound('next-operation'(op(+, =, cadr)))
Exit: (217) [system] compound('next-operation'(op(+, =, cadr)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, cadr)), _312462, _312464)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, cadr)), 'next-operation', [op(+, =, cadr)])
Call: (217) [lists] lists:member(_305052, ['next-operation', op(+, =, cadr)])
Unify: (217) [lists] lists:member(_305052, ['next-operation', op(+, =, cadr)])
Call: (218) [lists] lists:member_([op(+, =, cadr)], _305052, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cadr)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, cadr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, cadr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cadr)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _292042)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _292042)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _292042)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _292042)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _292042)
Call: (217) [system] _292042='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, cadr)], _305052, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cadr)], _305052, 'next-operation')
Call: (219) [lists] lists:member_([], _305052, op(+, =, cadr))
Unify: (219) [lists] lists:member_([], op(+, =, cadr), op(+, =, cadr))
Exit: (219) [lists] lists:member_([], op(+, =, cadr), op(+, =, cadr))
Exit: (218) [lists] lists:member_([op(+, =, cadr)], op(+, =, cadr), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, cadr), ['next-operation', op(+, =, cadr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cadr)), op(+, =, cadr))
^ Call: (216) [user] compound_eles(0, op(+, =, cadr), _292042)
^ Unify: (216) [user] compound_eles(0, op(+, =, cadr), _292042)
Call: (217) [system] var(op(+, =, cadr))
Fail: (217) [system] var(op(+, =, cadr))
^ Redo: (216) [user] compound_eles(0, op(+, =, cadr), _292042)
^ Unify: (216) [user] compound_eles(0, op(+, =, cadr), _292042)
Call: (217) [system] compound(op(+, =, cadr))
Exit: (217) [system] compound(op(+, =, cadr))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _292042=op(+, =, cadr)
Exit: (217) [system] op(+, =, cadr)=op(+, =, cadr)
^ Exit: (216) [user] compound_eles(0, op(+, =, cadr), op(+, =, cadr))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), op(+, =, cadr))
^ Call: (215) [user] pfcIgnored(op(+, =, cadr))
^ Fail: (215) [user] pfcIgnored(op(+, =, cadr))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cadr)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadr)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _359842)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _359842)
Call: (215) [system] var('next-operation'(op(+, =, cadr)))
Fail: (215) [system] var('next-operation'(op(+, =, cadr)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _359842)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _359842)
Call: (215) [system] compound('next-operation'(op(+, =, cadr)))
Exit: (215) [system] compound('next-operation'(op(+, =, cadr)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _359842)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), _359842)
Call: (215) [system] _370994 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, cadr)), _372852)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cadr)), _372852)
Call: (216) [system] is_list('next-operation'(op(+, =, cadr)))
Fail: (216) [system] is_list('next-operation'(op(+, =, cadr)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, cadr)), _372852)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cadr)), _372852)
Call: (216) [system] compound('next-operation'(op(+, =, cadr)))
Exit: (216) [system] compound('next-operation'(op(+, =, cadr)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, cadr)), _380262, _380264)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, cadr)), 'next-operation', [op(+, =, cadr)])
Call: (216) [lists] lists:member(_372852, ['next-operation', op(+, =, cadr)])
Unify: (216) [lists] lists:member(_372852, ['next-operation', op(+, =, cadr)])
Call: (217) [lists] lists:member_([op(+, =, cadr)], _372852, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cadr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, cadr)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, cadr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cadr)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _359842)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _359842)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _359842)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _359842)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _359842)
Call: (216) [system] _359842='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, cadr)], _372852, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cadr)], _372852, 'next-operation')
Call: (218) [lists] lists:member_([], _372852, op(+, =, cadr))
Unify: (218) [lists] lists:member_([], op(+, =, cadr), op(+, =, cadr))
Exit: (218) [lists] lists:member_([], op(+, =, cadr), op(+, =, cadr))
Exit: (217) [lists] lists:member_([op(+, =, cadr)], op(+, =, cadr), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, cadr), ['next-operation', op(+, =, cadr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cadr)), op(+, =, cadr))
^ Call: (215) [user] compound_eles(0, op(+, =, cadr), _359842)
^ Unify: (215) [user] compound_eles(0, op(+, =, cadr), _359842)
Call: (216) [system] var(op(+, =, cadr))
Fail: (216) [system] var(op(+, =, cadr))
^ Redo: (215) [user] compound_eles(0, op(+, =, cadr), _359842)
^ Unify: (215) [user] compound_eles(0, op(+, =, cadr), _359842)
Call: (216) [system] compound(op(+, =, cadr))
Exit: (216) [system] compound(op(+, =, cadr))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _359842=op(+, =, cadr)
Exit: (216) [system] op(+, =, cadr)=op(+, =, cadr)
^ Exit: (215) [user] compound_eles(0, op(+, =, cadr), op(+, =, cadr))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadr)), op(+, =, cadr))
^ Call: (214) [user] pfcTraced(op(+, =, cadr))
^ Fail: (214) [user] pfcTraced(op(+, =, cadr))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadr)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, cadr)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, cadr)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_7874)
^ Unify: (212) [user] pfcGetSearch(_7874)
Call: (213) [t_l] t_l:pfcSearchTL(_9724)
Fail: (213) [t_l] t_l:pfcSearchTL(_9724)
^ Redo: (212) [user] pfcGetSearch(_7874)
^ Call: (213) [user] pfcSearch(_12498)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _7874=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, cadr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cadr)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, cadr)), _36972)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, cadr)), _36972)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, cadr)), _36972)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, cadr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cadr)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, cadr))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadr))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadr))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadr))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _47234)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadr))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadr))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, cadr)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, cadr)))
Call: (218) [system] is_list(_54730)
Fail: (218) [system] is_list(_54730)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, cadr)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, cadr)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, cadr)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, cadr)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, cadr)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, cadr)))
Call: (219) [system] copy_term('next-operation'(op(+, =, cadr)), _62124)
Exit: (219) [system] copy_term('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, cadr)), _67716), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, cadr)), _67716), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cadr)), _67716), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cadr)), _67716), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cadr)), _67716), _104786, _104788)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cadr)), _67716), _104786, _104788)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cadr)), _67716), _104786, _104788)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cadr)), _67716), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cadr)), _67716), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cadr)), _67716), _116028)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), _116968)
Call: (224) [system] nonvar(_117826)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), _118828)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), _119762)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cadr)), _67716), number_of_clauses(_128956))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), number_of_clauses(_128956))
Call: (224) [system] nonvar(number_of_clauses(_128956))
Exit: (224) [system] nonvar(number_of_clauses(_128956))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_128956), user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_128956), user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cadr)), _67716))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadr)), _67716), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _143800), (prolog_current_choice(_143810), push_current_choice(_143810), clause('$pt$'('next-operation'(op(+, =, cadr)), _67716), _143832), pfc_call(_143832)), nb_setval('$pfc_current_choice', _143800))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _143800), user:(prolog_current_choice(_143810), push_current_choice(_143810), clause('$pt$'('next-operation'(op(+, =, cadr)), _67716), _143832), pfc_call(_143832)), user:nb_setval('$pfc_current_choice', _143800))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _143800))
Call: (226) [system] nb_current('$pfc_current_choice', _143800)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_143810)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _153150)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, cadr)), _67716), _143832)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, cadr)), _67716), _143832)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _161522)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _143800), user:(prolog_current_choice(_143810), push_current_choice(_143810), clause('$pt$'('next-operation'(op(+, =, cadr)), _67716), _143832), pfc_call(_143832)), user:nb_setval('$pfc_current_choice', _143800))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cadr)), _67716))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Call: (221) [user] pfc_spft(_176392, _176478, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400))
^ Unify: (221) [user] pfc_spft(_176392, _177410, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400))
^ Call: (222) [user] pfcCallSystem('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Call: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Unify: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (224) [system] var('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Fail: (224) [system] var('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Redo: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Unify: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (224) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Exit: (224) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Unify: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Redo: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Unify: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Call: (224) [user] predicate_property('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (227) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Exit: (227) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Unify: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Call: (224) [user] predicate_property('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (226) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Exit: (226) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _212550, _212552)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _212550, _212552)
Call: (227) [system] compound('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Exit: (227) [system] compound('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (227) [system] compound_name_arity('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _212550, _212552)
Exit: (227) [system] compound_name_arity('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Unify: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Call: (224) [user] predicate_property('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _223792)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _224732)
Call: (225) [system] nonvar(_225590)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _226592)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _227526)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (226) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Exit: (226) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Call: (224) [user] predicate_property('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), number_of_clauses(_236720))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), number_of_clauses(_236720))
Call: (225) [system] nonvar(number_of_clauses(_236720))
Exit: (225) [system] nonvar(number_of_clauses(_236720))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_236720), user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_236720), user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (227) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Exit: (227) [system] callable('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(745), user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), number_of_clauses(745))
^ Unify: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _251564), (prolog_current_choice(_251574), push_current_choice(_251574), clause('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _251596), pfc_call(_251596)), nb_setval('$pfc_current_choice', _251564))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _251564), user:(prolog_current_choice(_251574), push_current_choice(_251574), clause('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _251596), pfc_call(_251596)), user:nb_setval('$pfc_current_choice', _251564))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _251564))
Call: (227) [system] nb_current('$pfc_current_choice', _251564)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_251574)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _260914)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _251596)
^ Fail: (226) [user] clause('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _251596)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _269286)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _251564), user:(prolog_current_choice(_251574), push_current_choice(_251574), clause('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)), _251596), pfc_call(_251596)), user:nb_setval('$pfc_current_choice', _251564))
^ Fail: (223) [user] pfc_call('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_176392, _178270, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400)))
^ Fail: (221) [user] pfc_spft(_176392, _276790, '$nt$'('next-operation'(op(+, =, cadr)), _176398, _176400))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cadr)), 'next-operation'(op(+, =, cadr))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, cadr)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, cadr)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadr))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadr))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadr))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, cadr)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_3624)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_3624)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, cadr))=>_3624)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cadr)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_374316)
Fail: (202) [t_l] t_l:pfcSearchTL(_374316)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_377090)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, cadr)), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, cadr)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cadr)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [cadr, _x], [car, [cdr, _x]]], op(+, =, cadr)), pfcAdd_Now('next-operation'(op(+, =, cadr))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]])\=[_398576|_398578]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]])\=[_398576|_398578]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]))*->_3422='True';_3422='False'), error(_402314, _402316), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]))*->_3422='True';_3422='False'), error(_402314, _402316), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]])
Call: (204) [user] metta_interp_mode(+, _406030)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [cadr, _x], [car, [cdr, _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cadr, _x], [car, [cdr, _x]]])
Call: (205) [user] metta_interp_mode(load, _410620)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cadr, _x], [car, [cdr, _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cadr, _x], [car, [cdr, _x]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cadr, _x], [car, [cdr, _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cadr, _x], [car, [cdr, _x]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [cadr, _x], [car, [cdr, _x]]], [=, [cadr, _x], [car, [cdr, _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cadr, _x], [car, [cdr, _x]]], [=, [cadr, _x], [car, [cdr, _x]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _419842)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [cadr, _x], [car, [cdr, _x]]], [=, [cadr, _x], [car, [cdr, _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cadr, _x], [car, [cdr, _x]]], [=, [cadr, _x], [car, [cdr, _x]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadr, _x], [car, [cdr, _x]]], metta_atom('&self', [=, [cadr, _x], [car, [cdr, _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadr, _x], [car, [cdr, _x]]], metta_atom('&self', [=, [cadr, _x], [car, [cdr, _x]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_426318, _426320), once(user:is_compatio0), '$restore_trace'(_426318, _426320))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_426318, _426320), system:once(user:is_compatio0), system:'$restore_trace'(_426318, _426320))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_426318, _426320))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadr, _x], [car, [cdr, _x]]], metta_atom('&self', [=, [cadr, _x], [car, [cdr, _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadr, _x], [car, [cdr, _x]]], metta_atom('&self', [=, [cadr, _x], [car, [cdr, _x]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_431936, must_det_ll(user:metta_anew(load, [=, [cadr, _x], [car, [cdr, _x]]], metta_atom('&self', [=, [cadr, _x], [car, [cdr, _x]]])))), (_431936==""->true;our_ansi_format('#ffa505', '~w~n', [_431936]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_431936, must_det_ll(user:metta_anew(load, [=, [cadr, _x], [car, [cdr, _x]]], metta_atom('&self', [=, [cadr, _x], [car, [cdr, _x]]])))), (_431936==""->true;our_ansi_format('#ffa505', '~w~n', [_431936]))))
(=
(cadr $x)
(car (cdr $x)))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [cadr, _x], [car, [cdr, _x]]], metta_atom('&self', [=, [cadr, _x], [car, [cdr, _x]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadr, _x], [car, [cdr, _x]]], metta_atom('&self', [=, [cadr, _x], [car, [cdr, _x]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [cadr, _x], [car, [cdr, _x]]], [=, [cadr, _x], [car, [cdr, _x]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [cadr, _x], [car, [cdr, _x]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]))*->'True'='True';'True'='False'), error(_402314, _402316), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cadr, _x], [car, [cdr, _x]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadr, _x], [car, [cdr, _x]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [caddr, _463514], [car, [cdr, [cdr, _463514]]]], ['_x'=_463514], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(360, 20, 19, 360))
^ Exit: (193) [user] metta_file_buffer(+, [=, [caddr, _463514], [car, [cdr, [cdr, _463514]]]], ['_x'=_463514], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(360, 20, 19, 360))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_463514])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_463514])
Call: (195) [apply] apply:maplist_(['_x'=_463514], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_463514], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_463514)
Unify: (196) [user] maybe_assign('_x'=_463514)
^ Call: (197) [user] ignore(_463514=_x)
^ Unify: (197) [system] ignore(user:(_463514=_x))
Call: (198) [system] _463514=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422)
Call: (196) [system] var([=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422)
Call: (196) [system] string([=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _24004), pfcAdd_Now('next-operation'(_24004)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _24004), pfcAdd_Now('next-operation'(_24004)))
Call: (197) [user] into_simple_op(+, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], _24004)
Unify: (197) [user] into_simple_op(+, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], op(+, =, _26796))
Call: (198) [user] o_s([[caddr, _x], [car, [cdr, [cdr, _x]]]], _26796)
Unify: (198) [user] o_s([[caddr, _x], [car, [cdr, [cdr, _x]]]], _26796)
Call: (199) [user] o_s([caddr, _x], _26796)
Unify: (199) [user] o_s([caddr, _x], _26796)
Call: (200) [user] o_s(caddr, _26796)
Unify: (200) [user] o_s(caddr, caddr)
Exit: (200) [user] o_s(caddr, caddr)
Exit: (199) [user] o_s([caddr, _x], caddr)
Exit: (198) [user] o_s([[caddr, _x], [car, [cdr, [cdr, _x]]]], caddr)
Exit: (197) [user] into_simple_op(+, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], op(+, =, caddr))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, caddr)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, caddr)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, caddr))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, caddr))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, caddr))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, caddr))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, caddr)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, caddr)))
^ Call: (199) [user] must_ex(current_why_UU(_48014))
^ Unify: (199) [user] must_ex(current_why_UU(_48014))
Call: (201) [user] current_why_UU(_48014)
Unify: (201) [user] current_why_UU(_48014)
^ Call: (202) [user] get_why_uu(_48014)
^ Unify: (202) [user] get_why_uu(_48014)
^ Call: (203) [user] findall(_53554, current_why(_53554), _53560)
^ Unify: (203) [$bags] findall(_53554, user:current_why(_53554), _53560)
^ Call: (204) [$bags] findall(_53554, user:current_why(_53554), _53560, [])
^ Unify: (204) [$bags] findall(_53554, user:current_why(_53554), _53560, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_53554, user:current_why(_53554), _53560, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_53554, user:current_why(_53554), _53560, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_53554, user:current_why(_53554), _53560, [])
Unify: (206) [$bags] findall_loop(_53554, user:current_why(_53554), _53560, [])
^ Call: (207) [user] bugger:current_why(_53554)
^ Unify: (207) [user] bugger:current_why(_53554)
^ Call: (208) [user] bugger:current_why_data(_53554)
^ Unify: (208) [user] bugger:current_why_data(_53554)
Call: (209) [system] nb_current('$current_why', wp(_53554, _64814))
Fail: (209) [system] nb_current('$current_why', wp(_53554, _64814))
^ Redo: (208) [user] bugger:current_why_data(_53554)
^ Unify: (208) [user] bugger:current_why_data(_53554)
Call: (209) [t_l] t_l:current_why_source(_53554)
Fail: (209) [t_l] t_l:current_why_source(_53554)
^ Fail: (208) [user] bugger:current_why_data(_53554)
^ Redo: (207) [user] bugger:current_why(_53554)
^ Unify: (207) [user] bugger:current_why(mfl4(_72242, _72244, _72246, _72248))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_73198, _73200), once(user:current_mfl4(_72242, _72244, _72246, _72248)), '$restore_trace'(_73198, _73200))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_73198, _73200), system:once(user:current_mfl4(_72242, _72244, _72246, _72248)), system:'$restore_trace'(_73198, _73200))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_73198, _73200))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_72242, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_72242, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_53554, user:current_why(_53554), _53560, [])
Exit: (206) [$bags] findall_loop(_53554, user:current_why(_53554), [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_53554, user:current_why(_53554), [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_53554, user:current_why(_53554), [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_53554, user:current_why(_53554), [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _48014)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _48014)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_209910, _209912)
Fail: (204) [system] [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_209910, _209912)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _48014)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _48014)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _240336)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _240336)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _240336)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _240336)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _240336)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _240336)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _240336)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _240336)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _240336)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_90058, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3610)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3610)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_83914, _83916)
Fail: (205) [system] P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_83914, _83916)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3610)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, caddr)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, caddr)))
Call: (202) [system] is_list('next-operation'(op(+, =, caddr)))
Fail: (202) [system] is_list('next-operation'(op(+, =, caddr)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, caddr)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, caddr)), _242648)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, caddr)), _242648)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, caddr)), _242648)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _262484, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_262484)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _262484, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_262484)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _262484, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_262484)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _262484, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_262484)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _293006)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _262484, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_262484)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _262484, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_262484)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, caddr)), P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, caddr)), P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, caddr)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, caddr)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, caddr)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, caddr)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, caddr)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, caddr)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, caddr)), _393658, _393660)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, caddr)), user, 'next-operation'(op(+, =, caddr)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, caddr)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, caddr)), true)
Call: (212) [system] _397402=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, caddr)), true, _399272)
^ Fail: (212) [user] clause('next-operation'(op(+, =, caddr)), true, _399272)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, caddr)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, caddr)), true, _402100)
^ Fail: (212) [user] clause('next-operation'(op(+, =, caddr)), true, _402100)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, caddr)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, caddr)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, caddr)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, caddr)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, caddr)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, caddr)));assert('next-operation'(op(+, =, caddr))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, caddr)));assert('next-operation'(op(+, =, caddr))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, caddr)));assert('next-operation'(op(+, =, caddr)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, caddr)));assert('next-operation'(op(+, =, caddr)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, caddr)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, caddr)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, caddr)), _429450, _429452)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, caddr)), user, 'next-operation'(op(+, =, caddr)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, caddr)), _431330, _431332)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)), true)
Call: (215) [system] var('next-operation'(op(+, =, caddr)))
Fail: (215) [system] var('next-operation'(op(+, =, caddr)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, caddr)), _431330, _431332)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, caddr)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, caddr)), true)
Call: (215) [system] _439736=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, caddr)), true, _441606)
^ Fail: (215) [user] clause('next-operation'(op(+, =, caddr)), true, _441606)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, caddr)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, caddr)), true, _444434)
^ Fail: (215) [user] clause('next-operation'(op(+, =, caddr)), true, _444434)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, caddr)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, caddr)))
^ Call: (213) [user] assert('next-operation'(op(+, =, caddr)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, caddr)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, caddr)));assert('next-operation'(op(+, =, caddr)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, caddr)));assert('next-operation'(op(+, =, caddr))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, caddr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, caddr)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, caddr)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, caddr)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _501224)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _501224)
Call: (216) [system] var('next-operation'(op(+, =, caddr)))
Fail: (216) [system] var('next-operation'(op(+, =, caddr)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _501224)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _501224)
Call: (216) [system] compound('next-operation'(op(+, =, caddr)))
Exit: (216) [system] compound('next-operation'(op(+, =, caddr)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _501224)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _501224)
Call: (216) [system] _512376 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, caddr)), _514234)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, caddr)), _514234)
Call: (217) [system] is_list('next-operation'(op(+, =, caddr)))
Fail: (217) [system] is_list('next-operation'(op(+, =, caddr)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, caddr)), _514234)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, caddr)), _514234)
Call: (217) [system] compound('next-operation'(op(+, =, caddr)))
Exit: (217) [system] compound('next-operation'(op(+, =, caddr)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, caddr)), _521644, _521646)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, caddr)), 'next-operation', [op(+, =, caddr)])
Call: (217) [lists] lists:member(_3776, ['next-operation', op(+, =, caddr)])
Unify: (217) [lists] lists:member(_3776, ['next-operation', op(+, =, caddr)])
Call: (218) [lists] lists:member_([op(+, =, caddr)], _3776, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, caddr)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, caddr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, caddr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, caddr)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _3772)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _3772)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _3772)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _3772)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _3772)
Call: (217) [system] _3772='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, caddr)], _3776, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, caddr)], _3776, 'next-operation')
Call: (219) [lists] lists:member_([], _3776, op(+, =, caddr))
Unify: (219) [lists] lists:member_([], op(+, =, caddr), op(+, =, caddr))
Exit: (219) [lists] lists:member_([], op(+, =, caddr), op(+, =, caddr))
Exit: (218) [lists] lists:member_([op(+, =, caddr)], op(+, =, caddr), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, caddr), ['next-operation', op(+, =, caddr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, caddr)), op(+, =, caddr))
^ Call: (216) [user] compound_eles(0, op(+, =, caddr), _3772)
^ Unify: (216) [user] compound_eles(0, op(+, =, caddr), _3772)
Call: (217) [system] var(op(+, =, caddr))
Fail: (217) [system] var(op(+, =, caddr))
^ Redo: (216) [user] compound_eles(0, op(+, =, caddr), _3772)
^ Unify: (216) [user] compound_eles(0, op(+, =, caddr), _3772)
Call: (217) [system] compound(op(+, =, caddr))
Exit: (217) [system] compound(op(+, =, caddr))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _3772=op(+, =, caddr)
Exit: (217) [system] op(+, =, caddr)=op(+, =, caddr)
^ Exit: (216) [user] compound_eles(0, op(+, =, caddr), op(+, =, caddr))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), op(+, =, caddr))
^ Call: (215) [user] pfcIgnored(op(+, =, caddr))
^ Fail: (215) [user] pfcIgnored(op(+, =, caddr))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, caddr)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, caddr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, caddr)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _48948)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _48948)
Call: (215) [system] var('next-operation'(op(+, =, caddr)))
Fail: (215) [system] var('next-operation'(op(+, =, caddr)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _48948)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _48948)
Call: (215) [system] compound('next-operation'(op(+, =, caddr)))
Exit: (215) [system] compound('next-operation'(op(+, =, caddr)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _48948)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), _48948)
Call: (215) [system] _60100 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, caddr)), _61958)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, caddr)), _61958)
Call: (216) [system] is_list('next-operation'(op(+, =, caddr)))
Fail: (216) [system] is_list('next-operation'(op(+, =, caddr)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, caddr)), _61958)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, caddr)), _61958)
Call: (216) [system] compound('next-operation'(op(+, =, caddr)))
Exit: (216) [system] compound('next-operation'(op(+, =, caddr)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, caddr)), _69368, _69370)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, caddr)), 'next-operation', [op(+, =, caddr)])
Call: (216) [lists] lists:member(_61958, ['next-operation', op(+, =, caddr)])
Unify: (216) [lists] lists:member(_61958, ['next-operation', op(+, =, caddr)])
Call: (217) [lists] lists:member_([op(+, =, caddr)], _61958, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, caddr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, caddr)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, caddr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, caddr)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _48948)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _48948)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _48948)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _48948)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _48948)
Call: (216) [system] _48948='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, caddr)], _61958, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, caddr)], _61958, 'next-operation')
Call: (218) [lists] lists:member_([], _61958, op(+, =, caddr))
Unify: (218) [lists] lists:member_([], op(+, =, caddr), op(+, =, caddr))
Exit: (218) [lists] lists:member_([], op(+, =, caddr), op(+, =, caddr))
Exit: (217) [lists] lists:member_([op(+, =, caddr)], op(+, =, caddr), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, caddr), ['next-operation', op(+, =, caddr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, caddr)), op(+, =, caddr))
^ Call: (215) [user] compound_eles(0, op(+, =, caddr), _48948)
^ Unify: (215) [user] compound_eles(0, op(+, =, caddr), _48948)
Call: (216) [system] var(op(+, =, caddr))
Fail: (216) [system] var(op(+, =, caddr))
^ Redo: (215) [user] compound_eles(0, op(+, =, caddr), _48948)
^ Unify: (215) [user] compound_eles(0, op(+, =, caddr), _48948)
Call: (216) [system] compound(op(+, =, caddr))
Exit: (216) [system] compound(op(+, =, caddr))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _48948=op(+, =, caddr)
Exit: (216) [system] op(+, =, caddr)=op(+, =, caddr)
^ Exit: (215) [user] compound_eles(0, op(+, =, caddr), op(+, =, caddr))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, caddr)), op(+, =, caddr))
^ Call: (214) [user] pfcTraced(op(+, =, caddr))
^ Fail: (214) [user] pfcTraced(op(+, =, caddr))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, caddr)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, caddr)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, caddr)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_215620)
^ Unify: (212) [user] pfcGetSearch(_215620)
Call: (213) [t_l] t_l:pfcSearchTL(_217470)
Fail: (213) [t_l] t_l:pfcSearchTL(_217470)
^ Redo: (212) [user] pfcGetSearch(_215620)
^ Call: (213) [user] pfcSearch(_220244)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _215620=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, caddr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, caddr)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, caddr)), _244718)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, caddr)), _244718)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, caddr)), _244718)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, caddr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, caddr)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, caddr))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, caddr))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, caddr))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, caddr))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _254980)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, caddr))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, caddr))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, caddr)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, caddr)))
Call: (218) [system] is_list(_262476)
Fail: (218) [system] is_list(_262476)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, caddr)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, caddr)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, caddr)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, caddr)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, caddr)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, caddr)))
Call: (219) [system] copy_term('next-operation'(op(+, =, caddr)), _269870)
Exit: (219) [system] copy_term('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, caddr)), _275462), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, caddr)), _275462), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, caddr)), _275462), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, caddr)), _275462), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, caddr)), _275462), _312532, _312534)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, caddr)), _275462), _312532, _312534)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, caddr)), _275462), _312532, _312534)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, caddr)), _275462), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, caddr)), _275462), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, caddr)), _275462), _323774)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), _324714)
Call: (224) [system] nonvar(_325572)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), _326574)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), _327508)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, caddr)), _275462), number_of_clauses(_336702))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), number_of_clauses(_336702))
Call: (224) [system] nonvar(number_of_clauses(_336702))
Exit: (224) [system] nonvar(number_of_clauses(_336702))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_336702), user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_336702), user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, caddr)), _275462))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, caddr)), _275462), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _351546), (prolog_current_choice(_351556), push_current_choice(_351556), clause('$pt$'('next-operation'(op(+, =, caddr)), _275462), _351578), pfc_call(_351578)), nb_setval('$pfc_current_choice', _351546))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _351546), user:(prolog_current_choice(_351556), push_current_choice(_351556), clause('$pt$'('next-operation'(op(+, =, caddr)), _275462), _351578), pfc_call(_351578)), user:nb_setval('$pfc_current_choice', _351546))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _351546))
Call: (226) [system] nb_current('$pfc_current_choice', _351546)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_351556)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _360896)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, caddr)), _275462), _351578)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, caddr)), _275462), _351578)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _369268)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _351546), user:(prolog_current_choice(_351556), push_current_choice(_351556), clause('$pt$'('next-operation'(op(+, =, caddr)), _275462), _351578), pfc_call(_351578)), user:nb_setval('$pfc_current_choice', _351546))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, caddr)), _275462))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Call: (221) [user] pfc_spft(_384138, _384224, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146))
^ Unify: (221) [user] pfc_spft(_384138, _385156, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146))
^ Call: (222) [user] pfcCallSystem('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Call: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Unify: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (224) [system] var('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Fail: (224) [system] var('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Redo: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Unify: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (224) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Exit: (224) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Unify: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Redo: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Unify: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Call: (224) [user] predicate_property('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (227) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Exit: (227) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Unify: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Call: (224) [user] predicate_property('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (226) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Exit: (226) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _420296, _420298)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _420296, _420298)
Call: (227) [system] compound('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Exit: (227) [system] compound('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (227) [system] compound_name_arity('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _420296, _420298)
Exit: (227) [system] compound_name_arity('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Unify: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Call: (224) [user] predicate_property('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _431538)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _432478)
Call: (225) [system] nonvar(_433336)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _434338)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _435272)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (226) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Exit: (226) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Call: (224) [user] predicate_property('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), number_of_clauses(_444466))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), number_of_clauses(_444466))
Call: (225) [system] nonvar(number_of_clauses(_444466))
Exit: (225) [system] nonvar(number_of_clauses(_444466))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_444466), user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_444466), user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (227) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Exit: (227) [system] callable('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(747), user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), number_of_clauses(747))
^ Unify: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _459310), (prolog_current_choice(_459320), push_current_choice(_459320), clause('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _459342), pfc_call(_459342)), nb_setval('$pfc_current_choice', _459310))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _459310), user:(prolog_current_choice(_459320), push_current_choice(_459320), clause('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _459342), pfc_call(_459342)), user:nb_setval('$pfc_current_choice', _459310))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _459310))
Call: (227) [system] nb_current('$pfc_current_choice', _459310)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_459320)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _468660)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _459342)
^ Fail: (226) [user] clause('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _459342)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _477032)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _459310), user:(prolog_current_choice(_459320), push_current_choice(_459320), clause('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)), _459342), pfc_call(_459342)), user:nb_setval('$pfc_current_choice', _459310))
^ Fail: (223) [user] pfc_call('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_384138, _386016, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146)))
^ Fail: (221) [user] pfc_spft(_384138, _484536, '$nt$'('next-operation'(op(+, =, caddr)), _384144, _384146))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, caddr)), 'next-operation'(op(+, =, caddr))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, caddr)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, caddr)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, caddr))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, caddr))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, caddr))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, caddr)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3636, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_3636)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3636, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_3636)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3636, (notrace, wdmsg(('next-operation'(op(+, =, caddr))=>_3636)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, caddr)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_63726)
Fail: (202) [t_l] t_l:pfcSearchTL(_63726)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_66500)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, caddr)), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, caddr)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, caddr)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], op(+, =, caddr)), pfcAdd_Now('next-operation'(op(+, =, caddr))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])\=[_87986|_87988]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])\=[_87986|_87988]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]))*->_3422='True';_3422='False'), error(_91724, _91726), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]))*->_3422='True';_3422='False'), error(_91724, _91726), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Call: (204) [user] metta_interp_mode(+, _95440)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Call: (205) [user] metta_interp_mode(load, _100030)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _109252)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], metta_atom('&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], metta_atom('&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_115728, _115730), once(user:is_compatio0), '$restore_trace'(_115728, _115730))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_115728, _115730), system:once(user:is_compatio0), system:'$restore_trace'(_115728, _115730))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_115728, _115730))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], metta_atom('&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], metta_atom('&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_121346, must_det_ll(user:metta_anew(load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], metta_atom('&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])))), (_121346==""->true;our_ansi_format('#ffa505', '~w~n', [_121346]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_121346, must_det_ll(user:metta_anew(load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], metta_atom('&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])))), (_121346==""->true;our_ansi_format('#ffa505', '~w~n', [_121346]))))
(=
(caddr $x)
(car (cdr (cdr $x))))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], metta_atom('&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], metta_atom('&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]))*->'True'='True';'True'='False'), error(_91724, _91726), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [caddr, _x], [car, [cdr, [cdr, _x]]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [caddr, _x], [car, [cdr, [cdr, _x]]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [cadddr, _152954], [car, [cdr, [cdr, [cdr, _152954]]]]], ['_x'=_152954], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(401, 23, 25, 401))
^ Exit: (193) [user] metta_file_buffer(+, [=, [cadddr, _152954], [car, [cdr, [cdr, [cdr, _152954]]]]], ['_x'=_152954], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(401, 23, 25, 401))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_152954])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_152954])
Call: (195) [apply] apply:maplist_(['_x'=_152954], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_152954], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_152954)
Unify: (196) [user] maybe_assign('_x'=_152954)
^ Call: (197) [user] ignore(_152954=_x)
^ Unify: (197) [system] ignore(user:(_152954=_x))
Call: (198) [system] _152954=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422)
Call: (196) [system] var([=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422)
Call: (196) [system] string([=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _233260), pfcAdd_Now('next-operation'(_233260)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _233260), pfcAdd_Now('next-operation'(_233260)))
Call: (197) [user] into_simple_op(+, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _233260)
Unify: (197) [user] into_simple_op(+, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], op(+, =, _236052))
Call: (198) [user] o_s([[cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _236052)
Unify: (198) [user] o_s([[cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], _236052)
Call: (199) [user] o_s([cadddr, _x], _236052)
Unify: (199) [user] o_s([cadddr, _x], _236052)
Call: (200) [user] o_s(cadddr, _236052)
Unify: (200) [user] o_s(cadddr, cadddr)
Exit: (200) [user] o_s(cadddr, cadddr)
Exit: (199) [user] o_s([cadddr, _x], cadddr)
Exit: (198) [user] o_s([[cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], cadddr)
Exit: (197) [user] into_simple_op(+, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], op(+, =, cadddr))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cadddr)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cadddr)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cadddr))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cadddr))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cadddr))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, cadddr))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, cadddr)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, cadddr)))
^ Call: (199) [user] must_ex(current_why_UU(_257270))
^ Unify: (199) [user] must_ex(current_why_UU(_257270))
Call: (201) [user] current_why_UU(_257270)
Unify: (201) [user] current_why_UU(_257270)
^ Call: (202) [user] get_why_uu(_257270)
^ Unify: (202) [user] get_why_uu(_257270)
^ Call: (203) [user] findall(_262810, current_why(_262810), _262816)
^ Unify: (203) [$bags] findall(_262810, user:current_why(_262810), _262816)
^ Call: (204) [$bags] findall(_262810, user:current_why(_262810), _262816, [])
^ Unify: (204) [$bags] findall(_262810, user:current_why(_262810), _262816, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_262810, user:current_why(_262810), _262816, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_262810, user:current_why(_262810), _262816, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_262810, user:current_why(_262810), _262816, [])
Unify: (206) [$bags] findall_loop(_262810, user:current_why(_262810), _262816, [])
^ Call: (207) [user] bugger:current_why(_262810)
^ Unify: (207) [user] bugger:current_why(_262810)
^ Call: (208) [user] bugger:current_why_data(_262810)
^ Unify: (208) [user] bugger:current_why_data(_262810)
Call: (209) [system] nb_current('$current_why', wp(_262810, _274070))
Fail: (209) [system] nb_current('$current_why', wp(_262810, _274070))
^ Redo: (208) [user] bugger:current_why_data(_262810)
^ Unify: (208) [user] bugger:current_why_data(_262810)
Call: (209) [t_l] t_l:current_why_source(_262810)
Fail: (209) [t_l] t_l:current_why_source(_262810)
^ Fail: (208) [user] bugger:current_why_data(_262810)
^ Redo: (207) [user] bugger:current_why(_262810)
^ Unify: (207) [user] bugger:current_why(mfl4(_281498, _281500, _281502, _281504))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_282454, _282456), once(user:current_mfl4(_281498, _281500, _281502, _281504)), '$restore_trace'(_282454, _282456))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_282454, _282456), system:once(user:current_mfl4(_281498, _281500, _281502, _281504)), system:'$restore_trace'(_282454, _282456))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_282454, _282456))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_281498, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_281498, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_262810, user:current_why(_262810), _262816, [])
Exit: (206) [$bags] findall_loop(_262810, user:current_why(_262810), [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_262810, user:current_why(_262810), [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_262810, user:current_why(_262810), [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_262810, user:current_why(_262810), [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _257270)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _257270)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_419200, _419202)
Fail: (204) [system] [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_419200, _419202)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _257270)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _257270)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _449634)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _449634)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _449634)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _449634)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_299316, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3668)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3668)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3668)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3668)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3668)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3622)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3622)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_294854, _294856)
Fail: (205) [system] P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_294854, _294856)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3622)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cadddr)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cadddr)))
Call: (202) [system] is_list('next-operation'(op(+, =, cadddr)))
Fail: (202) [system] is_list('next-operation'(op(+, =, cadddr)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cadddr)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, cadddr)), _453588)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, cadddr)), _453588)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, cadddr)), _453588)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _473424, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_473424)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _473424, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_473424)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _473424, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_473424)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _473424, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_473424)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _503946)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _473424, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_473424)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _473424, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_473424)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, cadddr)), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, cadddr)), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cadddr)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cadddr)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cadddr)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cadddr)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, cadddr)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, cadddr)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, cadddr)), _84758, _84760)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, cadddr)), user, 'next-operation'(op(+, =, cadddr)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadddr)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadddr)), true)
Call: (212) [system] _88502=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cadddr)), true, _90372)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cadddr)), true, _90372)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadddr)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, cadddr)), true, _93200)
^ Fail: (212) [user] clause('next-operation'(op(+, =, cadddr)), true, _93200)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadddr)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, cadddr)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cadddr)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, cadddr)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, cadddr)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cadddr)));assert('next-operation'(op(+, =, cadddr))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cadddr)));assert('next-operation'(op(+, =, cadddr))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, cadddr)));assert('next-operation'(op(+, =, cadddr)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cadddr)));assert('next-operation'(op(+, =, cadddr)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, cadddr)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, cadddr)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, cadddr)), _120550, _120552)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, cadddr)), user, 'next-operation'(op(+, =, cadddr)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadddr)), _122430, _122432)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)), true)
Call: (215) [system] var('next-operation'(op(+, =, cadddr)))
Fail: (215) [system] var('next-operation'(op(+, =, cadddr)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadddr)), _122430, _122432)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadddr)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadddr)), true)
Call: (215) [system] _130836=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cadddr)), true, _132706)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cadddr)), true, _132706)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadddr)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, cadddr)), true, _135534)
^ Fail: (215) [user] clause('next-operation'(op(+, =, cadddr)), true, _135534)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, cadddr)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, cadddr)))
^ Call: (213) [user] assert('next-operation'(op(+, =, cadddr)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, cadddr)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, cadddr)));assert('next-operation'(op(+, =, cadddr)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, cadddr)));assert('next-operation'(op(+, =, cadddr))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadddr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadddr)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cadddr)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cadddr)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _192324)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _192324)
Call: (216) [system] var('next-operation'(op(+, =, cadddr)))
Fail: (216) [system] var('next-operation'(op(+, =, cadddr)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _192324)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _192324)
Call: (216) [system] compound('next-operation'(op(+, =, cadddr)))
Exit: (216) [system] compound('next-operation'(op(+, =, cadddr)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _192324)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _192324)
Call: (216) [system] _203476 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, cadddr)), _205334)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cadddr)), _205334)
Call: (217) [system] is_list('next-operation'(op(+, =, cadddr)))
Fail: (217) [system] is_list('next-operation'(op(+, =, cadddr)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, cadddr)), _205334)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, cadddr)), _205334)
Call: (217) [system] compound('next-operation'(op(+, =, cadddr)))
Exit: (217) [system] compound('next-operation'(op(+, =, cadddr)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, cadddr)), _212744, _212746)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, cadddr)), 'next-operation', [op(+, =, cadddr)])
Call: (217) [lists] lists:member(_205334, ['next-operation', op(+, =, cadddr)])
Unify: (217) [lists] lists:member(_205334, ['next-operation', op(+, =, cadddr)])
Call: (218) [lists] lists:member_([op(+, =, cadddr)], _205334, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cadddr)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, cadddr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, cadddr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cadddr)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _192324)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _192324)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _192324)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _192324)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _192324)
Call: (217) [system] _192324='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, cadddr)], _205334, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, cadddr)], _205334, 'next-operation')
Call: (219) [lists] lists:member_([], _205334, op(+, =, cadddr))
Unify: (219) [lists] lists:member_([], op(+, =, cadddr), op(+, =, cadddr))
Exit: (219) [lists] lists:member_([], op(+, =, cadddr), op(+, =, cadddr))
Exit: (218) [lists] lists:member_([op(+, =, cadddr)], op(+, =, cadddr), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, cadddr), ['next-operation', op(+, =, cadddr)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, cadddr)), op(+, =, cadddr))
^ Call: (216) [user] compound_eles(0, op(+, =, cadddr), _192324)
^ Unify: (216) [user] compound_eles(0, op(+, =, cadddr), _192324)
Call: (217) [system] var(op(+, =, cadddr))
Fail: (217) [system] var(op(+, =, cadddr))
^ Redo: (216) [user] compound_eles(0, op(+, =, cadddr), _192324)
^ Unify: (216) [user] compound_eles(0, op(+, =, cadddr), _192324)
Call: (217) [system] compound(op(+, =, cadddr))
Exit: (217) [system] compound(op(+, =, cadddr))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _192324=op(+, =, cadddr)
Exit: (217) [system] op(+, =, cadddr)=op(+, =, cadddr)
^ Exit: (216) [user] compound_eles(0, op(+, =, cadddr), op(+, =, cadddr))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), op(+, =, cadddr))
^ Call: (215) [user] pfcIgnored(op(+, =, cadddr))
^ Fail: (215) [user] pfcIgnored(op(+, =, cadddr))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, cadddr)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadddr)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadddr)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _260124)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _260124)
Call: (215) [system] var('next-operation'(op(+, =, cadddr)))
Fail: (215) [system] var('next-operation'(op(+, =, cadddr)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _260124)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _260124)
Call: (215) [system] compound('next-operation'(op(+, =, cadddr)))
Exit: (215) [system] compound('next-operation'(op(+, =, cadddr)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _260124)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), _260124)
Call: (215) [system] _271276 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, cadddr)), _273134)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cadddr)), _273134)
Call: (216) [system] is_list('next-operation'(op(+, =, cadddr)))
Fail: (216) [system] is_list('next-operation'(op(+, =, cadddr)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, cadddr)), _273134)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, cadddr)), _273134)
Call: (216) [system] compound('next-operation'(op(+, =, cadddr)))
Exit: (216) [system] compound('next-operation'(op(+, =, cadddr)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, cadddr)), _280544, _280546)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, cadddr)), 'next-operation', [op(+, =, cadddr)])
Call: (216) [lists] lists:member(_273134, ['next-operation', op(+, =, cadddr)])
Unify: (216) [lists] lists:member(_273134, ['next-operation', op(+, =, cadddr)])
Call: (217) [lists] lists:member_([op(+, =, cadddr)], _273134, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cadddr)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, cadddr)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, cadddr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cadddr)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _260124)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _260124)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _260124)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _260124)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _260124)
Call: (216) [system] _260124='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, cadddr)], _273134, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, cadddr)], _273134, 'next-operation')
Call: (218) [lists] lists:member_([], _273134, op(+, =, cadddr))
Unify: (218) [lists] lists:member_([], op(+, =, cadddr), op(+, =, cadddr))
Exit: (218) [lists] lists:member_([], op(+, =, cadddr), op(+, =, cadddr))
Exit: (217) [lists] lists:member_([op(+, =, cadddr)], op(+, =, cadddr), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, cadddr), ['next-operation', op(+, =, cadddr)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, cadddr)), op(+, =, cadddr))
^ Call: (215) [user] compound_eles(0, op(+, =, cadddr), _260124)
^ Unify: (215) [user] compound_eles(0, op(+, =, cadddr), _260124)
Call: (216) [system] var(op(+, =, cadddr))
Fail: (216) [system] var(op(+, =, cadddr))
^ Redo: (215) [user] compound_eles(0, op(+, =, cadddr), _260124)
^ Unify: (215) [user] compound_eles(0, op(+, =, cadddr), _260124)
Call: (216) [system] compound(op(+, =, cadddr))
Exit: (216) [system] compound(op(+, =, cadddr))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _260124=op(+, =, cadddr)
Exit: (216) [system] op(+, =, cadddr)=op(+, =, cadddr)
^ Exit: (215) [user] compound_eles(0, op(+, =, cadddr), op(+, =, cadddr))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, cadddr)), op(+, =, cadddr))
^ Call: (214) [user] pfcTraced(op(+, =, cadddr))
^ Fail: (214) [user] pfcTraced(op(+, =, cadddr))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, cadddr)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, cadddr)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, cadddr)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_426796)
^ Unify: (212) [user] pfcGetSearch(_426796)
Call: (213) [t_l] t_l:pfcSearchTL(_428646)
Fail: (213) [t_l] t_l:pfcSearchTL(_428646)
^ Redo: (212) [user] pfcGetSearch(_426796)
^ Call: (213) [user] pfcSearch(_431420)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _426796=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, cadddr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cadddr)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, cadddr)), _455894)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, cadddr)), _455894)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, cadddr)), _455894)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, cadddr)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, cadddr)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, cadddr))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadddr))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadddr))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadddr))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _466156)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadddr))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadddr))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, cadddr)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, cadddr)))
Call: (218) [system] is_list(_473652)
Fail: (218) [system] is_list(_473652)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, cadddr)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, cadddr)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, cadddr)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, cadddr)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, cadddr)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, cadddr)))
Call: (219) [system] copy_term('next-operation'(op(+, =, cadddr)), _481046)
Exit: (219) [system] copy_term('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, cadddr)), _486638), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, cadddr)), _486638), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cadddr)), _486638), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cadddr)), _486638), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _486638))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _3892, _3894)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _3892, _3894)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _3892, _3894)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, cadddr)), _3882), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, cadddr)), _3882), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _14912)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882), _15852)
Call: (224) [system] nonvar(_16710)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882), _17712)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882), _18646)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, cadddr)), _3882), number_of_clauses(_27840))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882), number_of_clauses(_27840))
Call: (224) [system] nonvar(number_of_clauses(_27840))
Exit: (224) [system] nonvar(number_of_clauses(_27840))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_27840), user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_27840), user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, cadddr)), _3882), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _42684), (prolog_current_choice(_42694), push_current_choice(_42694), clause('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _42716), pfc_call(_42716)), nb_setval('$pfc_current_choice', _42684))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _42684), user:(prolog_current_choice(_42694), push_current_choice(_42694), clause('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _42716), pfc_call(_42716)), user:nb_setval('$pfc_current_choice', _42684))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _42684))
Call: (226) [system] nb_current('$pfc_current_choice', _42684)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_42694)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _52034)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _42716)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _42716)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _60406)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _42684), user:(prolog_current_choice(_42694), push_current_choice(_42694), clause('$pt$'('next-operation'(op(+, =, cadddr)), _3882), _42716), pfc_call(_42716)), user:nb_setval('$pfc_current_choice', _42684))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, cadddr)), _3882))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Call: (221) [user] pfc_spft(_75276, _75362, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284))
^ Unify: (221) [user] pfc_spft(_75276, _76294, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284))
^ Call: (222) [user] pfcCallSystem('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Call: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Unify: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (224) [system] var('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Fail: (224) [system] var('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Redo: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Unify: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (224) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Exit: (224) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Unify: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Redo: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Unify: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Call: (224) [user] predicate_property('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (227) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Exit: (227) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Unify: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Call: (224) [user] predicate_property('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (226) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Exit: (226) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _111434, _111436)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _111434, _111436)
Call: (227) [system] compound('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Exit: (227) [system] compound('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (227) [system] compound_name_arity('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _111434, _111436)
Exit: (227) [system] compound_name_arity('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Unify: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Call: (224) [user] predicate_property('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _122676)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _123616)
Call: (225) [system] nonvar(_124474)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _125476)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _126410)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (226) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Exit: (226) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Call: (224) [user] predicate_property('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), number_of_clauses(_135604))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), number_of_clauses(_135604))
Call: (225) [system] nonvar(number_of_clauses(_135604))
Exit: (225) [system] nonvar(number_of_clauses(_135604))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_135604), user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_135604), user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (227) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Exit: (227) [system] callable('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(749), user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), number_of_clauses(749))
^ Unify: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _150448), (prolog_current_choice(_150458), push_current_choice(_150458), clause('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _150480), pfc_call(_150480)), nb_setval('$pfc_current_choice', _150448))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _150448), user:(prolog_current_choice(_150458), push_current_choice(_150458), clause('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _150480), pfc_call(_150480)), user:nb_setval('$pfc_current_choice', _150448))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _150448))
Call: (227) [system] nb_current('$pfc_current_choice', _150448)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_150458)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _159798)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _150480)
^ Fail: (226) [user] clause('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _150480)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _168170)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _150448), user:(prolog_current_choice(_150458), push_current_choice(_150458), clause('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)), _150480), pfc_call(_150480)), user:nb_setval('$pfc_current_choice', _150448))
^ Fail: (223) [user] pfc_call('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_75276, _77154, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284)))
^ Fail: (221) [user] pfc_spft(_75276, _175674, '$nt$'('next-operation'(op(+, =, cadddr)), _75282, _75284))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, cadddr)), 'next-operation'(op(+, =, cadddr))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, cadddr)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, cadddr)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadddr))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadddr))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, cadddr))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, cadddr)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3648, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_3648)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3648, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_3648)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3648, (notrace, wdmsg(('next-operation'(op(+, =, cadddr))=>_3648)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, cadddr)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_273200)
Fail: (202) [t_l] t_l:pfcSearchTL(_273200)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_275974)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, cadddr)), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, cadddr)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, cadddr)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], op(+, =, cadddr)), pfcAdd_Now('next-operation'(op(+, =, cadddr))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])\=[_297460|_297462]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])\=[_297460|_297462]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]))*->_3422='True';_3422='False'), error(_301198, _301200), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]))*->_3422='True';_3422='False'), error(_301198, _301200), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Call: (204) [user] metta_interp_mode(+, _304914)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Call: (205) [user] metta_interp_mode(load, _309504)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _318726)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], metta_atom('&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], metta_atom('&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_325202, _325204), once(user:is_compatio0), '$restore_trace'(_325202, _325204))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_325202, _325204), system:once(user:is_compatio0), system:'$restore_trace'(_325202, _325204))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_325202, _325204))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], metta_atom('&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], metta_atom('&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_330820, must_det_ll(user:metta_anew(load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], metta_atom('&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])))), (_330820==""->true;our_ansi_format('#ffa505', '~w~n', [_330820]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_330820, must_det_ll(user:metta_anew(load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], metta_atom('&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])))), (_330820==""->true;our_ansi_format('#ffa505', '~w~n', [_330820]))))
(=
(cadddr $x)
(car (cdr (cdr (cdr $x)))))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], metta_atom('&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], metta_atom('&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]))*->'True'='True';'True'='False'), error(_301198, _301200), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [cadddr, _x], [car, [cdr, [cdr, [cdr, _x]]]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [list, _362456], [if, ['null?', _362456], 'Nil', ['Cons', ['car-atom', _362456], [list, ['cdr-atom', _362456]]]]], ['_expr'=_362456], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(449, 26, 31, 449))
^ Exit: (193) [user] metta_file_buffer(+, [=, [list, _362456], [if, ['null?', _362456], 'Nil', ['Cons', ['car-atom', _362456], [list, ['cdr-atom', _362456]]]]], ['_expr'=_362456], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(449, 26, 31, 449))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_expr'=_362456])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_expr'=_362456])
Call: (195) [apply] apply:maplist_(['_expr'=_362456], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_expr'=_362456], user:maybe_assign)
Call: (196) [user] maybe_assign('_expr'=_362456)
Unify: (196) [user] maybe_assign('_expr'=_362456)
^ Call: (197) [user] ignore(_362456=_expr)
^ Unify: (197) [system] ignore(user:(_362456=_expr))
Call: (198) [system] _362456=_expr
Exit: (198) [system] _expr=_expr
^ Exit: (197) [system] ignore(user:(_expr=_expr))
Exit: (196) [user] maybe_assign('_expr'=_expr)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_expr'=_expr], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_expr'=_expr])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422)
Call: (196) [system] var([=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422)
Call: (196) [system] string([=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _442804), pfcAdd_Now('next-operation'(_442804)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _442804), pfcAdd_Now('next-operation'(_442804)))
Call: (197) [user] into_simple_op(+, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _442804)
Unify: (197) [user] into_simple_op(+, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], op(+, =, _445596))
Call: (198) [user] o_s([[list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _445596)
Unify: (198) [user] o_s([[list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], _445596)
Call: (199) [user] o_s([list, _expr], _445596)
Unify: (199) [user] o_s([list, _expr], _445596)
Call: (200) [user] o_s(list, _445596)
Unify: (200) [user] o_s(list, list)
Exit: (200) [user] o_s(list, list)
Exit: (199) [user] o_s([list, _expr], list)
Exit: (198) [user] o_s([[list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], list)
Exit: (197) [user] into_simple_op(+, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], op(+, =, list))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, list)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, list)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, list))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, list))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, list))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, list))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, list)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, list)))
^ Call: (199) [user] must_ex(current_why_UU(_466814))
^ Unify: (199) [user] must_ex(current_why_UU(_466814))
Call: (201) [user] current_why_UU(_466814)
Unify: (201) [user] current_why_UU(_466814)
^ Call: (202) [user] get_why_uu(_466814)
^ Unify: (202) [user] get_why_uu(_466814)
^ Call: (203) [user] findall(_472354, current_why(_472354), _472360)
^ Unify: (203) [$bags] findall(_472354, user:current_why(_472354), _472360)
^ Call: (204) [$bags] findall(_472354, user:current_why(_472354), _472360, [])
^ Unify: (204) [$bags] findall(_472354, user:current_why(_472354), _472360, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_472354, user:current_why(_472354), _472360, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_472354, user:current_why(_472354), _472360, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_472354, user:current_why(_472354), _472360, [])
Unify: (206) [$bags] findall_loop(_472354, user:current_why(_472354), _472360, [])
^ Call: (207) [user] bugger:current_why(_472354)
^ Unify: (207) [user] bugger:current_why(_472354)
^ Call: (208) [user] bugger:current_why_data(_472354)
^ Unify: (208) [user] bugger:current_why_data(_472354)
Call: (209) [system] nb_current('$current_why', wp(_472354, _483614))
Fail: (209) [system] nb_current('$current_why', wp(_472354, _483614))
^ Redo: (208) [user] bugger:current_why_data(_472354)
^ Unify: (208) [user] bugger:current_why_data(_472354)
Call: (209) [t_l] t_l:current_why_source(_472354)
Fail: (209) [t_l] t_l:current_why_source(_472354)
^ Fail: (208) [user] bugger:current_why_data(_472354)
^ Redo: (207) [user] bugger:current_why(_472354)
^ Unify: (207) [user] bugger:current_why(mfl4(_491042, _491044, _491046, _491048))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_491998, _492000), once(user:current_mfl4(_491042, _491044, _491046, _491048)), '$restore_trace'(_491998, _492000))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_491998, _492000), system:once(user:current_mfl4(_491042, _491044, _491046, _491048)), system:'$restore_trace'(_491998, _492000))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_491998, _492000))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_491042, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_491042, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_472354, user:current_why(_472354), _472360, [])
Exit: (206) [$bags] findall_loop(_472354, user:current_why(_472354), [P;HTML|mfl4(_508860, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_472354, user:current_why(_472354), [P;HTML|mfl4(_508860, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_3684, user:current_why(_3684), [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_3684, user:current_why(_3684), [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3664)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3664)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_110290, _110292)
Fail: (204) [system] [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_110290, _110292)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3664)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3664)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _140716)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _140716)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _140716)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _140716)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _140716)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _140716)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _140716)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _140716)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _140716)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3664)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3664)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_504184, _504186)
Fail: (205) [system] P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_504184, _504186)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3722, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3664)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, list)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, list)))
Call: (202) [system] is_list('next-operation'(op(+, =, list)))
Fail: (202) [system] is_list('next-operation'(op(+, =, list)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, list)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, list)), _143914)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, list)), _143914)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, list)), _143914)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _163750, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_163750)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _163750, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_163750)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _163750, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_163750)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _163750, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_163750)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _194272)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _163750, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_163750)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _163750, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_163750)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, list)), P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, list)), P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, list)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, list)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, list)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, list)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, list)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, list)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, list)), _294924, _294926)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, list)), user, 'next-operation'(op(+, =, list)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, list)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, list)), true)
Call: (212) [system] _298668=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, list)), true, _300538)
^ Fail: (212) [user] clause('next-operation'(op(+, =, list)), true, _300538)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, list)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, list)), true, _303366)
^ Fail: (212) [user] clause('next-operation'(op(+, =, list)), true, _303366)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, list)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, list)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, list)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, list)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, list)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, list)));assert('next-operation'(op(+, =, list))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, list)));assert('next-operation'(op(+, =, list))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, list)));assert('next-operation'(op(+, =, list)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, list)));assert('next-operation'(op(+, =, list)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, list)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, list)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, list)), _330716, _330718)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, list)), user, 'next-operation'(op(+, =, list)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, list)), _332596, _332598)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)), true)
Call: (215) [system] var('next-operation'(op(+, =, list)))
Fail: (215) [system] var('next-operation'(op(+, =, list)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, list)), _332596, _332598)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, list)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, list)), true)
Call: (215) [system] _341002=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, list)), true, _342872)
^ Fail: (215) [user] clause('next-operation'(op(+, =, list)), true, _342872)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, list)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, list)), true, _345700)
^ Fail: (215) [user] clause('next-operation'(op(+, =, list)), true, _345700)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, list)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, list)))
^ Call: (213) [user] assert('next-operation'(op(+, =, list)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, list)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, list)));assert('next-operation'(op(+, =, list)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, list)));assert('next-operation'(op(+, =, list))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3690, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, list)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, list)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, list)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, list)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _402490)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _402490)
Call: (216) [system] var('next-operation'(op(+, =, list)))
Fail: (216) [system] var('next-operation'(op(+, =, list)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _402490)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _402490)
Call: (216) [system] compound('next-operation'(op(+, =, list)))
Exit: (216) [system] compound('next-operation'(op(+, =, list)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _402490)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _402490)
Call: (216) [system] _413642 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, list)), _415500)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, list)), _415500)
Call: (217) [system] is_list('next-operation'(op(+, =, list)))
Fail: (217) [system] is_list('next-operation'(op(+, =, list)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, list)), _415500)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, list)), _415500)
Call: (217) [system] compound('next-operation'(op(+, =, list)))
Exit: (217) [system] compound('next-operation'(op(+, =, list)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, list)), _422910, _422912)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, list)), 'next-operation', [op(+, =, list)])
Call: (217) [lists] lists:member(_415500, ['next-operation', op(+, =, list)])
Unify: (217) [lists] lists:member(_415500, ['next-operation', op(+, =, list)])
Call: (218) [lists] lists:member_([op(+, =, list)], _415500, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, list)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, list)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, list)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, list)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _402490)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _402490)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _402490)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _402490)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _402490)
Call: (217) [system] _402490='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, list)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, list)], _415500, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, list)], _415500, 'next-operation')
Call: (219) [lists] lists:member_([], _415500, op(+, =, list))
Unify: (219) [lists] lists:member_([], op(+, =, list), op(+, =, list))
Exit: (219) [lists] lists:member_([], op(+, =, list), op(+, =, list))
Exit: (218) [lists] lists:member_([op(+, =, list)], op(+, =, list), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, list), ['next-operation', op(+, =, list)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, list)), op(+, =, list))
^ Call: (216) [user] compound_eles(0, op(+, =, list), _402490)
^ Unify: (216) [user] compound_eles(0, op(+, =, list), _402490)
Call: (217) [system] var(op(+, =, list))
Fail: (217) [system] var(op(+, =, list))
^ Redo: (216) [user] compound_eles(0, op(+, =, list), _402490)
^ Unify: (216) [user] compound_eles(0, op(+, =, list), _402490)
Call: (217) [system] compound(op(+, =, list))
Exit: (217) [system] compound(op(+, =, list))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _402490=op(+, =, list)
Exit: (217) [system] op(+, =, list)=op(+, =, list)
^ Exit: (216) [user] compound_eles(0, op(+, =, list), op(+, =, list))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, list)), op(+, =, list))
^ Call: (215) [user] pfcIgnored(op(+, =, list))
^ Fail: (215) [user] pfcIgnored(op(+, =, list))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, list)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, list)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, list)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _470290)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _470290)
Call: (215) [system] var('next-operation'(op(+, =, list)))
Fail: (215) [system] var('next-operation'(op(+, =, list)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _470290)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _470290)
Call: (215) [system] compound('next-operation'(op(+, =, list)))
Exit: (215) [system] compound('next-operation'(op(+, =, list)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _470290)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, list)), _470290)
Call: (215) [system] _481442 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, list)), _483300)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, list)), _483300)
Call: (216) [system] is_list('next-operation'(op(+, =, list)))
Fail: (216) [system] is_list('next-operation'(op(+, =, list)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, list)), _483300)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, list)), _483300)
Call: (216) [system] compound('next-operation'(op(+, =, list)))
Exit: (216) [system] compound('next-operation'(op(+, =, list)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, list)), _490710, _490712)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, list)), 'next-operation', [op(+, =, list)])
Call: (216) [lists] lists:member(_483300, ['next-operation', op(+, =, list)])
Unify: (216) [lists] lists:member(_483300, ['next-operation', op(+, =, list)])
Call: (217) [lists] lists:member_([op(+, =, list)], _483300, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, list)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, list)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, list)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, list)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _470290)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _470290)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _470290)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _470290)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _470290)
Call: (216) [system] _470290='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, list)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, list)], _483300, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, list)], _483300, 'next-operation')
Call: (218) [lists] lists:member_([], _483300, op(+, =, list))
Unify: (218) [lists] lists:member_([], op(+, =, list), op(+, =, list))
Exit: (218) [lists] lists:member_([], op(+, =, list), op(+, =, list))
Exit: (217) [lists] lists:member_([op(+, =, list)], op(+, =, list), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, list), ['next-operation', op(+, =, list)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, list)), op(+, =, list))
^ Call: (215) [user] compound_eles(0, op(+, =, list), _470290)
^ Unify: (215) [user] compound_eles(0, op(+, =, list), _470290)
Call: (216) [system] var(op(+, =, list))
Fail: (216) [system] var(op(+, =, list))
^ Redo: (215) [user] compound_eles(0, op(+, =, list), _3826)
^ Unify: (215) [user] compound_eles(0, op(+, =, list), _3826)
Call: (216) [system] compound(op(+, =, list))
Exit: (216) [system] compound(op(+, =, list))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _3826=op(+, =, list)
Exit: (216) [system] op(+, =, list)=op(+, =, list)
^ Exit: (215) [user] compound_eles(0, op(+, =, list), op(+, =, list))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, list)), op(+, =, list))
^ Call: (214) [user] pfcTraced(op(+, =, list))
^ Fail: (214) [user] pfcTraced(op(+, =, list))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, list)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, list)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, list)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_116962)
^ Unify: (212) [user] pfcGetSearch(_116962)
Call: (213) [t_l] t_l:pfcSearchTL(_118812)
Fail: (213) [t_l] t_l:pfcSearchTL(_118812)
^ Redo: (212) [user] pfcGetSearch(_116962)
^ Call: (213) [user] pfcSearch(_121586)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _116962=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, list)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, list)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, list)), _146060)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, list)), _146060)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, list)), _146060)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, list)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, list)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, list))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, list))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, list))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, list))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _156322)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, list))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, list))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, list)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, list)))
Call: (218) [system] is_list(_163818)
Fail: (218) [system] is_list(_163818)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, list)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, list)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, list)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, list)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, list)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, list)))
Call: (219) [system] copy_term('next-operation'(op(+, =, list)), _171212)
Exit: (219) [system] copy_term('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, list)), _176804), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, list)), _176804), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, list)), _176804))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, list)), _176804), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, list)), _176804), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, list)), _176804), _213874, _213876)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, list)), _176804), _213874, _213876)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, list)), _176804))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, list)), _176804), _213874, _213876)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, list)), _176804), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, list)), _176804), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, list)), _176804), _225116)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), _226056)
Call: (224) [system] nonvar(_226914)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), _227916)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), _228850)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, list)), _176804), number_of_clauses(_238044))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), number_of_clauses(_238044))
Call: (224) [system] nonvar(number_of_clauses(_238044))
Exit: (224) [system] nonvar(number_of_clauses(_238044))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_238044), user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_238044), user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, list)), _176804))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, list)), _176804))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, list)), _176804))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, list)), _176804), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _252888), (prolog_current_choice(_252898), push_current_choice(_252898), clause('$pt$'('next-operation'(op(+, =, list)), _176804), _252920), pfc_call(_252920)), nb_setval('$pfc_current_choice', _252888))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _252888), user:(prolog_current_choice(_252898), push_current_choice(_252898), clause('$pt$'('next-operation'(op(+, =, list)), _176804), _252920), pfc_call(_252920)), user:nb_setval('$pfc_current_choice', _252888))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _252888))
Call: (226) [system] nb_current('$pfc_current_choice', _252888)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_252898)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _262238)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, list)), _176804), _252920)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, list)), _176804), _252920)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _270610)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _252888), user:(prolog_current_choice(_252898), push_current_choice(_252898), clause('$pt$'('next-operation'(op(+, =, list)), _176804), _252920), pfc_call(_252920)), user:nb_setval('$pfc_current_choice', _252888))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, list)), _176804))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Call: (221) [user] pfc_spft(_285480, _285566, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488))
^ Unify: (221) [user] pfc_spft(_285480, _286498, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488))
^ Call: (222) [user] pfcCallSystem('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Call: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Unify: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (224) [system] var('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Fail: (224) [system] var('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Redo: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Unify: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (224) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Exit: (224) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Unify: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Redo: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Unify: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Call: (224) [user] predicate_property('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (227) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Exit: (227) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Unify: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Call: (224) [user] predicate_property('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (226) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Exit: (226) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _321638, _321640)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _321638, _321640)
Call: (227) [system] compound('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Exit: (227) [system] compound('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (227) [system] compound_name_arity('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _321638, _321640)
Exit: (227) [system] compound_name_arity('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Unify: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Call: (224) [user] predicate_property('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _332880)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _333820)
Call: (225) [system] nonvar(_334678)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _335680)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _336614)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (226) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Exit: (226) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Call: (224) [user] predicate_property('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), number_of_clauses(_345808))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), number_of_clauses(_345808))
Call: (225) [system] nonvar(number_of_clauses(_345808))
Exit: (225) [system] nonvar(number_of_clauses(_345808))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_345808), user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_345808), user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (227) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Exit: (227) [system] callable('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(751), user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), number_of_clauses(751))
^ Unify: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _360652), (prolog_current_choice(_360662), push_current_choice(_360662), clause('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _360684), pfc_call(_360684)), nb_setval('$pfc_current_choice', _360652))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _360652), user:(prolog_current_choice(_360662), push_current_choice(_360662), clause('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _360684), pfc_call(_360684)), user:nb_setval('$pfc_current_choice', _360652))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _360652))
Call: (227) [system] nb_current('$pfc_current_choice', _360652)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_360662)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _370002)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _360684)
^ Fail: (226) [user] clause('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _360684)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _378374)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _360652), user:(prolog_current_choice(_360662), push_current_choice(_360662), clause('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)), _360684), pfc_call(_360684)), user:nb_setval('$pfc_current_choice', _360652))
^ Fail: (223) [user] pfc_call('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_285480, _287358, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488)))
^ Fail: (221) [user] pfc_spft(_285480, _385878, '$nt$'('next-operation'(op(+, =, list)), _285486, _285488))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, list)), 'next-operation'(op(+, =, list))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, list)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, list)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, list))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, list))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, list))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, list)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3690, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_3690)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3690, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_3690)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3690, (notrace, wdmsg(('next-operation'(op(+, =, list))=>_3690)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, list)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_483404)
Fail: (202) [t_l] t_l:pfcSearchTL(_483404)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_486178)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, list)), (P;HTML|mfl4(_3666, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, list)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, list)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], op(+, =, list)), pfcAdd_Now('next-operation'(op(+, =, list))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])\=[_507664|_507666]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])\=[_507664|_507666]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]))*->_3422='True';_3422='False'), error(_511402, _511404), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]))*->_3422='True';_3422='False'), error(_511402, _511404), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Call: (204) [user] metta_interp_mode(+, _515118)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Call: (205) [user] metta_interp_mode(load, _519708)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _8762)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], metta_atom('&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], metta_atom('&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_15238, _15240), once(user:is_compatio0), '$restore_trace'(_15238, _15240))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_15238, _15240), system:once(user:is_compatio0), system:'$restore_trace'(_15238, _15240))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_15238, _15240))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], metta_atom('&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], metta_atom('&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_20856, must_det_ll(user:metta_anew(load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], metta_atom('&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])))), (_20856==""->true;our_ansi_format('#ffa505', '~w~n', [_20856]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_20856, must_det_ll(user:metta_anew(load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], metta_atom('&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])))), (_20856==""->true;our_ansi_format('#ffa505', '~w~n', [_20856]))))
(=
(list $expr)
(if
(null? $expr) Nil
(Cons
(car-atom $expr)
(list (cdr-atom $expr)))))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], metta_atom('&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], metta_atom('&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]))*->'True'='True';'True'='False'), error(_3716, _3718), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [list, _expr], [if, ['null?', _expr], 'Nil', ['Cons', ['car-atom', _expr], [list, ['cdr-atom', _expr]]]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [tree, _52630], [if, ['null?', _52630], 'Nil', ['let*', [[_52696, ['car-atom', _52630]], [_52726, ['cdr-atom', _52630]]], [if, [==, ['get-metatype', _52696], 'Expression'], ['Cons', [tree, _52696], [tree, _52726]], ['Cons', _52696, [tree, _52726]]]]]], ['_tail'=_52726, '_head'=_52696, '_expr'=_52630], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(557, 31, 57, 557))
^ Exit: (193) [user] metta_file_buffer(+, [=, [tree, _52630], [if, ['null?', _52630], 'Nil', ['let*', [[_52696, ['car-atom', _52630]], [_52726, ['cdr-atom', _52630]]], [if, [==, ['get-metatype', _52696], 'Expression'], ['Cons', [tree, _52696], [tree, _52726]], ['Cons', _52696, [tree, _52726]]]]]], ['_tail'=_52726, '_head'=_52696, '_expr'=_52630], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(557, 31, 57, 557))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_tail'=_52726, '_head'=_52696, '_expr'=_52630])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_tail'=_52726, '_head'=_52696, '_expr'=_52630])
Call: (195) [apply] apply:maplist_(['_tail'=_52726, '_head'=_52696, '_expr'=_52630], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_tail'=_52726, '_head'=_52696, '_expr'=_52630], user:maybe_assign)
Call: (196) [user] maybe_assign('_tail'=_52726)
Unify: (196) [user] maybe_assign('_tail'=_52726)
^ Call: (197) [user] ignore(_52726=_tail)
^ Unify: (197) [system] ignore(user:(_52726=_tail))
Call: (198) [system] _52726=_tail
Exit: (198) [system] _tail=_tail
^ Exit: (197) [system] ignore(user:(_tail=_tail))
Exit: (196) [user] maybe_assign('_tail'=_tail)
Call: (196) [apply] apply:maplist_(['_head'=_52696, '_expr'=_52630], user:maybe_assign)
Unify: (196) [apply] apply:maplist_(['_head'=_52696, '_expr'=_52630], user:maybe_assign)
Call: (197) [user] maybe_assign('_head'=_52696)
Unify: (197) [user] maybe_assign('_head'=_52696)
^ Call: (198) [user] ignore(_52696=_head)
^ Unify: (198) [system] ignore(user:(_52696=_head))
Call: (199) [system] _52696=_head
Exit: (199) [system] _head=_head
^ Exit: (198) [system] ignore(user:(_head=_head))
Exit: (197) [user] maybe_assign('_head'=_head)
Call: (197) [apply] apply:maplist_(['_expr'=_52630], user:maybe_assign)
Unify: (197) [apply] apply:maplist_(['_expr'=_52630], user:maybe_assign)
Call: (198) [user] maybe_assign('_expr'=_52630)
Unify: (198) [user] maybe_assign('_expr'=_52630)
^ Call: (199) [user] ignore(_52630=_expr)
^ Unify: (199) [system] ignore(user:(_52630=_expr))
Call: (200) [system] _52630=_expr
Exit: (200) [system] _expr=_expr
^ Exit: (199) [system] ignore(user:(_expr=_expr))
Exit: (198) [user] maybe_assign('_expr'=_expr)
Call: (198) [apply] apply:maplist_([], user:maybe_assign)
Unify: (198) [apply] apply:maplist_([], user:maybe_assign)
Exit: (198) [apply] apply:maplist_([], user:maybe_assign)
Exit: (197) [apply] apply:maplist_(['_expr'=_expr], user:maybe_assign)
Exit: (196) [apply] apply:maplist_(['_head'=_head, '_expr'=_expr], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_tail'=_tail, '_head'=_head, '_expr'=_expr], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_tail'=_tail, '_head'=_head, '_expr'=_expr])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422)
Call: (196) [system] var([=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422)
Call: (196) [system] string([=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _153516), pfcAdd_Now('next-operation'(_153516)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _153516), pfcAdd_Now('next-operation'(_153516)))
Call: (197) [user] into_simple_op(+, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _153516)
Unify: (197) [user] into_simple_op(+, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], op(+, =, _156308))
Call: (198) [user] o_s([[tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _156308)
Unify: (198) [user] o_s([[tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], _156308)
Call: (199) [user] o_s([tree, _expr], _156308)
Unify: (199) [user] o_s([tree, _expr], _156308)
Call: (200) [user] o_s(tree, _156308)
Unify: (200) [user] o_s(tree, tree)
Exit: (200) [user] o_s(tree, tree)
Exit: (199) [user] o_s([tree, _expr], tree)
Exit: (198) [user] o_s([[tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], tree)
Exit: (197) [user] into_simple_op(+, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], op(+, =, tree))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, tree)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, tree)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, tree))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, tree))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, tree))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, tree))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, tree)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, tree)))
^ Call: (199) [user] must_ex(current_why_UU(_177526))
^ Unify: (199) [user] must_ex(current_why_UU(_177526))
Call: (201) [user] current_why_UU(_177526)
Unify: (201) [user] current_why_UU(_177526)
^ Call: (202) [user] get_why_uu(_177526)
^ Unify: (202) [user] get_why_uu(_177526)
^ Call: (203) [user] findall(_183066, current_why(_183066), _183072)
^ Unify: (203) [$bags] findall(_183066, user:current_why(_183066), _183072)
^ Call: (204) [$bags] findall(_183066, user:current_why(_183066), _183072, [])
^ Unify: (204) [$bags] findall(_183066, user:current_why(_183066), _183072, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_183066, user:current_why(_183066), _183072, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_183066, user:current_why(_183066), _183072, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_183066, user:current_why(_183066), _183072, [])
Unify: (206) [$bags] findall_loop(_183066, user:current_why(_183066), _183072, [])
^ Call: (207) [user] bugger:current_why(_183066)
^ Unify: (207) [user] bugger:current_why(_183066)
^ Call: (208) [user] bugger:current_why_data(_183066)
^ Unify: (208) [user] bugger:current_why_data(_183066)
Call: (209) [system] nb_current('$current_why', wp(_183066, _194326))
Fail: (209) [system] nb_current('$current_why', wp(_183066, _194326))
^ Redo: (208) [user] bugger:current_why_data(_183066)
^ Unify: (208) [user] bugger:current_why_data(_183066)
Call: (209) [t_l] t_l:current_why_source(_183066)
Fail: (209) [t_l] t_l:current_why_source(_183066)
^ Fail: (208) [user] bugger:current_why_data(_183066)
^ Redo: (207) [user] bugger:current_why(_183066)
^ Unify: (207) [user] bugger:current_why(mfl4(_201754, _201756, _201758, _201760))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_202710, _202712), once(user:current_mfl4(_201754, _201756, _201758, _201760)), '$restore_trace'(_202710, _202712))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_202710, _202712), system:once(user:current_mfl4(_201754, _201756, _201758, _201760)), system:'$restore_trace'(_202710, _202712))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_202710, _202712))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_201754, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_201754, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_183066, user:current_why(_183066), _183072, [])
Exit: (206) [$bags] findall_loop(_183066, user:current_why(_183066), [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_183066, user:current_why(_183066), [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_183066, user:current_why(_183066), [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_183066, user:current_why(_183066), [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _177526)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _177526)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_339456, _339458)
Fail: (204) [system] [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_339456, _339458)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _177526)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _177526)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _369890)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _369890)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _369890)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _369890)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _369890)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _369890)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _369890)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_219572, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3892)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3892)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3846)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3846)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_214614, _214616)
Fail: (205) [system] P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_214614, _214616)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3846)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, tree)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, tree)))
Call: (202) [system] is_list('next-operation'(op(+, =, tree)))
Fail: (202) [system] is_list('next-operation'(op(+, =, tree)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, tree)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, tree)), _373348)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, tree)), _373348)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, tree)), _373348)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _393184, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_393184)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _393184, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_393184)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _393184, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_393184)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _393184, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_393184)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _423706)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _393184, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_393184)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _393184, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_393184)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, tree)), P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, tree)), P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, tree)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, tree)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, tree)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, tree)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, tree)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, tree)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, tree)), _4414, _4416)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, tree)), user, 'next-operation'(op(+, =, tree)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, tree)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, tree)), true)
Call: (212) [system] _8158=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, tree)), true, _10028)
^ Fail: (212) [user] clause('next-operation'(op(+, =, tree)), true, _10028)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, tree)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, tree)), true, _12856)
^ Fail: (212) [user] clause('next-operation'(op(+, =, tree)), true, _12856)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, tree)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, tree)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, tree)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, tree)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, tree)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, tree)));assert('next-operation'(op(+, =, tree))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, tree)));assert('next-operation'(op(+, =, tree))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, tree)));assert('next-operation'(op(+, =, tree)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, tree)));assert('next-operation'(op(+, =, tree)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, tree)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, tree)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, tree)), _40206, _40208)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, tree)), user, 'next-operation'(op(+, =, tree)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, tree)), _42086, _42088)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)), true)
Call: (215) [system] var('next-operation'(op(+, =, tree)))
Fail: (215) [system] var('next-operation'(op(+, =, tree)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, tree)), _42086, _42088)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, tree)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, tree)), true)
Call: (215) [system] _50492=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, tree)), true, _52362)
^ Fail: (215) [user] clause('next-operation'(op(+, =, tree)), true, _52362)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, tree)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, tree)), true, _55190)
^ Fail: (215) [user] clause('next-operation'(op(+, =, tree)), true, _55190)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, tree)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, tree)))
^ Call: (213) [user] assert('next-operation'(op(+, =, tree)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, tree)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, tree)));assert('next-operation'(op(+, =, tree)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, tree)));assert('next-operation'(op(+, =, tree))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, tree)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, tree)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, tree)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, tree)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _111980)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _111980)
Call: (216) [system] var('next-operation'(op(+, =, tree)))
Fail: (216) [system] var('next-operation'(op(+, =, tree)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _111980)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _111980)
Call: (216) [system] compound('next-operation'(op(+, =, tree)))
Exit: (216) [system] compound('next-operation'(op(+, =, tree)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _111980)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _111980)
Call: (216) [system] _123132 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, tree)), _124990)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, tree)), _124990)
Call: (217) [system] is_list('next-operation'(op(+, =, tree)))
Fail: (217) [system] is_list('next-operation'(op(+, =, tree)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, tree)), _124990)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, tree)), _124990)
Call: (217) [system] compound('next-operation'(op(+, =, tree)))
Exit: (217) [system] compound('next-operation'(op(+, =, tree)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, tree)), _132400, _132402)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, tree)), 'next-operation', [op(+, =, tree)])
Call: (217) [lists] lists:member(_124990, ['next-operation', op(+, =, tree)])
Unify: (217) [lists] lists:member(_124990, ['next-operation', op(+, =, tree)])
Call: (218) [lists] lists:member_([op(+, =, tree)], _124990, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, tree)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, tree)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, tree)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, tree)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _111980)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _111980)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _111980)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _111980)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _111980)
Call: (217) [system] _111980='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, tree)], _124990, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, tree)], _124990, 'next-operation')
Call: (219) [lists] lists:member_([], _124990, op(+, =, tree))
Unify: (219) [lists] lists:member_([], op(+, =, tree), op(+, =, tree))
Exit: (219) [lists] lists:member_([], op(+, =, tree), op(+, =, tree))
Exit: (218) [lists] lists:member_([op(+, =, tree)], op(+, =, tree), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, tree), ['next-operation', op(+, =, tree)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, tree)), op(+, =, tree))
^ Call: (216) [user] compound_eles(0, op(+, =, tree), _111980)
^ Unify: (216) [user] compound_eles(0, op(+, =, tree), _111980)
Call: (217) [system] var(op(+, =, tree))
Fail: (217) [system] var(op(+, =, tree))
^ Redo: (216) [user] compound_eles(0, op(+, =, tree), _111980)
^ Unify: (216) [user] compound_eles(0, op(+, =, tree), _111980)
Call: (217) [system] compound(op(+, =, tree))
Exit: (217) [system] compound(op(+, =, tree))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _111980=op(+, =, tree)
Exit: (217) [system] op(+, =, tree)=op(+, =, tree)
^ Exit: (216) [user] compound_eles(0, op(+, =, tree), op(+, =, tree))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), op(+, =, tree))
^ Call: (215) [user] pfcIgnored(op(+, =, tree))
^ Fail: (215) [user] pfcIgnored(op(+, =, tree))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, tree)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, tree)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, tree)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _179780)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _179780)
Call: (215) [system] var('next-operation'(op(+, =, tree)))
Fail: (215) [system] var('next-operation'(op(+, =, tree)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _179780)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _179780)
Call: (215) [system] compound('next-operation'(op(+, =, tree)))
Exit: (215) [system] compound('next-operation'(op(+, =, tree)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _179780)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), _179780)
Call: (215) [system] _190932 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, tree)), _192790)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, tree)), _192790)
Call: (216) [system] is_list('next-operation'(op(+, =, tree)))
Fail: (216) [system] is_list('next-operation'(op(+, =, tree)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, tree)), _192790)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, tree)), _192790)
Call: (216) [system] compound('next-operation'(op(+, =, tree)))
Exit: (216) [system] compound('next-operation'(op(+, =, tree)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, tree)), _200200, _200202)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, tree)), 'next-operation', [op(+, =, tree)])
Call: (216) [lists] lists:member(_192790, ['next-operation', op(+, =, tree)])
Unify: (216) [lists] lists:member(_192790, ['next-operation', op(+, =, tree)])
Call: (217) [lists] lists:member_([op(+, =, tree)], _192790, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, tree)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, tree)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, tree)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, tree)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _179780)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _179780)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _179780)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _179780)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _179780)
Call: (216) [system] _179780='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, tree)], _192790, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, tree)], _192790, 'next-operation')
Call: (218) [lists] lists:member_([], _192790, op(+, =, tree))
Unify: (218) [lists] lists:member_([], op(+, =, tree), op(+, =, tree))
Exit: (218) [lists] lists:member_([], op(+, =, tree), op(+, =, tree))
Exit: (217) [lists] lists:member_([op(+, =, tree)], op(+, =, tree), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, tree), ['next-operation', op(+, =, tree)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, tree)), op(+, =, tree))
^ Call: (215) [user] compound_eles(0, op(+, =, tree), _179780)
^ Unify: (215) [user] compound_eles(0, op(+, =, tree), _179780)
Call: (216) [system] var(op(+, =, tree))
Fail: (216) [system] var(op(+, =, tree))
^ Redo: (215) [user] compound_eles(0, op(+, =, tree), _179780)
^ Unify: (215) [user] compound_eles(0, op(+, =, tree), _179780)
Call: (216) [system] compound(op(+, =, tree))
Exit: (216) [system] compound(op(+, =, tree))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _179780=op(+, =, tree)
Exit: (216) [system] op(+, =, tree)=op(+, =, tree)
^ Exit: (215) [user] compound_eles(0, op(+, =, tree), op(+, =, tree))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, tree)), op(+, =, tree))
^ Call: (214) [user] pfcTraced(op(+, =, tree))
^ Fail: (214) [user] pfcTraced(op(+, =, tree))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, tree)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, tree)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, tree)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_346452)
^ Unify: (212) [user] pfcGetSearch(_346452)
Call: (213) [t_l] t_l:pfcSearchTL(_348302)
Fail: (213) [t_l] t_l:pfcSearchTL(_348302)
^ Redo: (212) [user] pfcGetSearch(_346452)
^ Call: (213) [user] pfcSearch(_351076)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _346452=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, tree)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, tree)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, tree)), _375550)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, tree)), _375550)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, tree)), _375550)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, tree)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, tree)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, tree))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, tree))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, tree))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, tree))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _385812)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, tree))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, tree))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, tree)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, tree)))
Call: (218) [system] is_list(_393308)
Fail: (218) [system] is_list(_393308)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, tree)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, tree)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, tree)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, tree)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, tree)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, tree)))
Call: (219) [system] copy_term('next-operation'(op(+, =, tree)), _400702)
Exit: (219) [system] copy_term('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, tree)), _406294), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, tree)), _406294), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, tree)), _406294))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, tree)), _406294), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, tree)), _406294), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, tree)), _406294), _443364, _443366)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, tree)), _406294), _443364, _443366)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, tree)), _406294))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, tree)), _406294), _443364, _443366)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, tree)), _406294), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, tree)), _406294), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, tree)), _406294), _454606)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), _455546)
Call: (224) [system] nonvar(_456404)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), _457406)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), _458340)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, tree)), _406294), number_of_clauses(_467534))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), number_of_clauses(_467534))
Call: (224) [system] nonvar(number_of_clauses(_467534))
Exit: (224) [system] nonvar(number_of_clauses(_467534))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_467534), user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_467534), user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, tree)), _406294))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, tree)), _406294), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _482378), (prolog_current_choice(_482388), push_current_choice(_482388), clause('$pt$'('next-operation'(op(+, =, tree)), _406294), _482410), pfc_call(_482410)), nb_setval('$pfc_current_choice', _482378))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _482378), user:(prolog_current_choice(_482388), push_current_choice(_482388), clause('$pt$'('next-operation'(op(+, =, tree)), _406294), _482410), pfc_call(_482410)), user:nb_setval('$pfc_current_choice', _482378))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _482378))
Call: (226) [system] nb_current('$pfc_current_choice', _482378)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_482388)
Exit: (225) [system] prolog_current_choice(2932)
^ Call: (225) [user] push_current_choice(2932)
^ Unify: (225) [user] push_current_choice(2932)
Call: (226) [system] nb_current('$pfc_current_choice', _491728)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2932])
Exit: (226) [system] b_setval('$pfc_current_choice', [2932])
^ Exit: (225) [user] push_current_choice(2932)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, tree)), _406294), _482410)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, tree)), _406294), _482410)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _500100)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _482378), user:(prolog_current_choice(_482388), push_current_choice(_482388), clause('$pt$'('next-operation'(op(+, =, tree)), _406294), _482410), pfc_call(_482410)), user:nb_setval('$pfc_current_choice', _482378))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, tree)), _406294))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Call: (221) [user] pfc_spft(_514970, _515056, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978))
^ Unify: (221) [user] pfc_spft(_514970, _515988, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978))
^ Call: (222) [user] pfcCallSystem('$spft$'(_514970, _516848, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_514970, _516848, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978)))
^ Call: (223) [user] pfc_call('$spft$'(_514970, _516848, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978)))
^ Unify: (223) [user] pfc_call('$spft$'(_514970, _516848, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978)))
Call: (224) [system] var('$spft$'(_514970, _516848, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978)))
Fail: (224) [system] var('$spft$'(_514970, _516848, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978)))
^ Redo: (223) [user] pfc_call('$spft$'(_514970, _516848, '$nt$'('next-operation'(op(+, =, tree)), _514976, _514978)))
^ Unify: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (224) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Exit: (224) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Unify: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Redo: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Unify: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Call: (224) [user] predicate_property('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (227) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Exit: (227) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Unify: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Call: (224) [user] predicate_property('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (226) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Exit: (226) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _31354, _31356)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _31354, _31356)
Call: (227) [system] compound('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Exit: (227) [system] compound('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (227) [system] compound_name_arity('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _31354, _31356)
Exit: (227) [system] compound_name_arity('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Unify: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Call: (224) [user] predicate_property('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _42596)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _43536)
Call: (225) [system] nonvar(_44394)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _45396)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _46330)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (226) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Exit: (226) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Call: (224) [user] predicate_property('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), number_of_clauses(_55524))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), number_of_clauses(_55524))
Call: (225) [system] nonvar(number_of_clauses(_55524))
Exit: (225) [system] nonvar(number_of_clauses(_55524))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_55524), user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_55524), user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (227) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Exit: (227) [system] callable('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(753), user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), number_of_clauses(753))
^ Unify: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _70368), (prolog_current_choice(_70378), push_current_choice(_70378), clause('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _70400), pfc_call(_70400)), nb_setval('$pfc_current_choice', _70368))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _70368), user:(prolog_current_choice(_70378), push_current_choice(_70378), clause('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _70400), pfc_call(_70400)), user:nb_setval('$pfc_current_choice', _70368))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _70368))
Call: (227) [system] nb_current('$pfc_current_choice', _70368)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_70378)
Exit: (226) [system] prolog_current_choice(2952)
^ Call: (226) [user] push_current_choice(2952)
^ Unify: (226) [user] push_current_choice(2952)
Call: (227) [system] nb_current('$pfc_current_choice', _79718)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2952])
Exit: (227) [system] b_setval('$pfc_current_choice', [2952])
^ Exit: (226) [user] push_current_choice(2952)
^ Call: (226) [user] clause('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _70400)
^ Fail: (226) [user] clause('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _70400)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _88090)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _70368), user:(prolog_current_choice(_70378), push_current_choice(_70378), clause('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)), _70400), pfc_call(_70400)), user:nb_setval('$pfc_current_choice', _70368))
^ Fail: (223) [user] pfc_call('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_4102, _4116, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110)))
^ Fail: (221) [user] pfc_spft(_4102, _95594, '$nt$'('next-operation'(op(+, =, tree)), _4108, _4110))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, tree)), 'next-operation'(op(+, =, tree))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, tree)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, tree)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, tree))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, tree))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, tree))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, tree)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3872, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_3872)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3872, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_3872)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3872, (notrace, wdmsg(('next-operation'(op(+, =, tree))=>_3872)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, tree)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_193120)
Fail: (202) [t_l] t_l:pfcSearchTL(_193120)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_195894)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, tree)), (P;HTML|mfl4(_3848, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, tree)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, tree)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], op(+, =, tree)), pfcAdd_Now('next-operation'(op(+, =, tree))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])\=[_217380|_217382]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])\=[_217380|_217382]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]))*->_3422='True';_3422='False'), error(_221118, _221120), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]))*->_3422='True';_3422='False'), error(_221118, _221120), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Call: (204) [user] metta_interp_mode(+, _224834)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Call: (205) [user] metta_interp_mode(load, _229424)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _238646)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], metta_atom('&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], metta_atom('&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_245122, _245124), once(user:is_compatio0), '$restore_trace'(_245122, _245124))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_245122, _245124), system:once(user:is_compatio0), system:'$restore_trace'(_245122, _245124))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_245122, _245124))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], metta_atom('&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], metta_atom('&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_250740, must_det_ll(user:metta_anew(load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], metta_atom('&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])))), (_250740==""->true;our_ansi_format('#ffa505', '~w~n', [_250740]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_250740, must_det_ll(user:metta_anew(load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], metta_atom('&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])))), (_250740==""->true;our_ansi_format('#ffa505', '~w~n', [_250740]))))
(=
(tree $expr)
(if
(null? $expr) Nil
(let*
( ($head (car-atom $expr)) ($tail (cdr-atom $expr)))
(if
(==
(get-metatype $head) Expression)
(Cons
(tree $head)
(tree $tail))
(Cons $head
(tree $tail))))))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], metta_atom('&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], metta_atom('&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]))*->'True'='True';'True'='False'), error(_221118, _221120), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [tree, _expr], [if, ['null?', _expr], 'Nil', ['let*', [[_head, ['car-atom', _expr]], [_tail, ['cdr-atom', _expr]]], [if, [==, ['get-metatype', _head], 'Expression'], ['Cons', [tree, _head], [tree, _tail]], ['Cons', _head, [tree, _tail]]]]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['null-list?', _282986], [==, _282986, 'Nil']], ['_list'=_282986], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(821, 39, 45, 821))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['null-list?', _282986], [==, _282986, 'Nil']], ['_list'=_282986], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(821, 39, 45, 821))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_list'=_282986])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_list'=_282986])
Call: (195) [apply] apply:maplist_(['_list'=_282986], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_list'=_282986], user:maybe_assign)
Call: (196) [user] maybe_assign('_list'=_282986)
Unify: (196) [user] maybe_assign('_list'=_282986)
^ Call: (197) [user] ignore(_282986=_list)
^ Unify: (197) [system] ignore(user:(_282986=_list))
Call: (198) [system] _282986=_list
Exit: (198) [system] _list=_list
^ Exit: (197) [system] ignore(user:(_list=_list))
Exit: (196) [user] maybe_assign('_list'=_list)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_list'=_list], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_list'=_list])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422)
Call: (196) [system] var([=, ['null-list?', _list], [==, _list, 'Nil']])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['null-list?', _list], [==, _list, 'Nil']]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422)
Call: (196) [system] string([=, ['null-list?', _list], [==, _list, 'Nil']])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['null-list?', _list], [==, _list, 'Nil']], _363262), pfcAdd_Now('next-operation'(_363262)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['null-list?', _list], [==, _list, 'Nil']], _363262), pfcAdd_Now('next-operation'(_363262)))
Call: (197) [user] into_simple_op(+, [=, ['null-list?', _list], [==, _list, 'Nil']], _363262)
Unify: (197) [user] into_simple_op(+, [=, ['null-list?', _list], [==, _list, 'Nil']], op(+, =, _366054))
Call: (198) [user] o_s([['null-list?', _list], [==, _list, 'Nil']], _366054)
Unify: (198) [user] o_s([['null-list?', _list], [==, _list, 'Nil']], _366054)
Call: (199) [user] o_s(['null-list?', _list], _366054)
Unify: (199) [user] o_s(['null-list?', _list], _366054)
Call: (200) [user] o_s('null-list?', _366054)
Unify: (200) [user] o_s('null-list?', 'null-list?')
Exit: (200) [user] o_s('null-list?', 'null-list?')
Exit: (199) [user] o_s(['null-list?', _list], 'null-list?')
Exit: (198) [user] o_s([['null-list?', _list], [==, _list, 'Nil']], 'null-list?')
Exit: (197) [user] into_simple_op(+, [=, ['null-list?', _list], [==, _list, 'Nil']], op(+, =, 'null-list?'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'null-list?')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'null-list?')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'null-list?'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'null-list?'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'null-list?'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'null-list?'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'null-list?')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'null-list?')))
^ Call: (199) [user] must_ex(current_why_UU(_387272))
^ Unify: (199) [user] must_ex(current_why_UU(_387272))
Call: (201) [user] current_why_UU(_387272)
Unify: (201) [user] current_why_UU(_387272)
^ Call: (202) [user] get_why_uu(_387272)
^ Unify: (202) [user] get_why_uu(_387272)
^ Call: (203) [user] findall(_392812, current_why(_392812), _392818)
^ Unify: (203) [$bags] findall(_392812, user:current_why(_392812), _392818)
^ Call: (204) [$bags] findall(_392812, user:current_why(_392812), _392818, [])
^ Unify: (204) [$bags] findall(_392812, user:current_why(_392812), _392818, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_392812, user:current_why(_392812), _392818, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_392812, user:current_why(_392812), _392818, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_392812, user:current_why(_392812), _392818, [])
Unify: (206) [$bags] findall_loop(_392812, user:current_why(_392812), _392818, [])
^ Call: (207) [user] bugger:current_why(_392812)
^ Unify: (207) [user] bugger:current_why(_392812)
^ Call: (208) [user] bugger:current_why_data(_392812)
^ Unify: (208) [user] bugger:current_why_data(_392812)
Call: (209) [system] nb_current('$current_why', wp(_392812, _404072))
Fail: (209) [system] nb_current('$current_why', wp(_392812, _404072))
^ Redo: (208) [user] bugger:current_why_data(_392812)
^ Unify: (208) [user] bugger:current_why_data(_392812)
Call: (209) [t_l] t_l:current_why_source(_392812)
Fail: (209) [t_l] t_l:current_why_source(_392812)
^ Fail: (208) [user] bugger:current_why_data(_392812)
^ Redo: (207) [user] bugger:current_why(_392812)
^ Unify: (207) [user] bugger:current_why(mfl4(_411500, _411502, _411504, _411506))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_412456, _412458), once(user:current_mfl4(_411500, _411502, _411504, _411506)), '$restore_trace'(_412456, _412458))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_412456, _412458), system:once(user:current_mfl4(_411500, _411502, _411504, _411506)), system:'$restore_trace'(_412456, _412458))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_412456, _412458))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_411500, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_411500, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_392812, user:current_why(_392812), _392818, [])
Exit: (206) [$bags] findall_loop(_392812, user:current_why(_392812), [P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_392812, user:current_why(_392812), [P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_392812, user:current_why(_392812), [P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_392812, user:current_why(_392812), [P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _387272)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _387272)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_429318, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_30174, _30176)
Fail: (204) [system] [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_30174, _30176)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3620)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3620)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _60600)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _60600)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _60600)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _60600)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _60600)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _60600)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _60600)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _60600)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _60600)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3620)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3620)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_424068, _424070)
Fail: (205) [system] P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_424068, _424070)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3620)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3646, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'null-list?')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'null-list?')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'null-list?')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'null-list?')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'null-list?')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'null-list?')), _63682)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'null-list?')), _63682)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'null-list?')), _63682)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _83518, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_83518)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _83518, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_83518)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _83518, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_83518)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _83518, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_83518)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _114040)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _83518, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_83518)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _83518, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_83518)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'null-list?')), P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'null-list?')), P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null-list?')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null-list?')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null-list?')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null-list?')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'null-list?')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'null-list?')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'null-list?')), _214692, _214694)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'null-list?')), user, 'next-operation'(op(+, =, 'null-list?')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null-list?')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null-list?')), true)
Call: (212) [system] _218436=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'null-list?')), true, _220306)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'null-list?')), true, _220306)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null-list?')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'null-list?')), true, _223134)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'null-list?')), true, _223134)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null-list?')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'null-list?')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null-list?')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null-list?')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'null-list?')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'null-list?')));assert('next-operation'(op(+, =, 'null-list?'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'null-list?')));assert('next-operation'(op(+, =, 'null-list?'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'null-list?')));assert('next-operation'(op(+, =, 'null-list?')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'null-list?')));assert('next-operation'(op(+, =, 'null-list?')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'null-list?')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'null-list?')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'null-list?')), _250484, _250486)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'null-list?')), user, 'next-operation'(op(+, =, 'null-list?')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null-list?')), _252364, _252366)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'null-list?')))
Fail: (215) [system] var('next-operation'(op(+, =, 'null-list?')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null-list?')), _252364, _252366)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null-list?')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null-list?')), true)
Call: (215) [system] _260770=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'null-list?')), true, _262640)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'null-list?')), true, _262640)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null-list?')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'null-list?')), true, _265468)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'null-list?')), true, _265468)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'null-list?')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'null-list?')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'null-list?')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'null-list?')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'null-list?')));assert('next-operation'(op(+, =, 'null-list?')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'null-list?')));assert('next-operation'(op(+, =, 'null-list?'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null-list?')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null-list?')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'null-list?')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'null-list?')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _322258)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _322258)
Call: (216) [system] var('next-operation'(op(+, =, 'null-list?')))
Fail: (216) [system] var('next-operation'(op(+, =, 'null-list?')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _322258)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _322258)
Call: (216) [system] compound('next-operation'(op(+, =, 'null-list?')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'null-list?')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _322258)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _322258)
Call: (216) [system] _333410 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), _335268)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), _335268)
Call: (217) [system] is_list('next-operation'(op(+, =, 'null-list?')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'null-list?')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), _335268)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), _335268)
Call: (217) [system] compound('next-operation'(op(+, =, 'null-list?')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'null-list?')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'null-list?')), _342678, _342680)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'null-list?')), 'next-operation', [op(+, =, 'null-list?')])
Call: (217) [lists] lists:member(_335268, ['next-operation', op(+, =, 'null-list?')])
Unify: (217) [lists] lists:member(_335268, ['next-operation', op(+, =, 'null-list?')])
Call: (218) [lists] lists:member_([op(+, =, 'null-list?')], _335268, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'null-list?')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'null-list?')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'null-list?')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _322258)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _322258)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _322258)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _322258)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _322258)
Call: (217) [system] _322258='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'null-list?')], _335268, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'null-list?')], _335268, 'next-operation')
Call: (219) [lists] lists:member_([], _335268, op(+, =, 'null-list?'))
Unify: (219) [lists] lists:member_([], op(+, =, 'null-list?'), op(+, =, 'null-list?'))
Exit: (219) [lists] lists:member_([], op(+, =, 'null-list?'), op(+, =, 'null-list?'))
Exit: (218) [lists] lists:member_([op(+, =, 'null-list?')], op(+, =, 'null-list?'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'null-list?'), ['next-operation', op(+, =, 'null-list?')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), op(+, =, 'null-list?'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'null-list?'), _322258)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'null-list?'), _322258)
Call: (217) [system] var(op(+, =, 'null-list?'))
Fail: (217) [system] var(op(+, =, 'null-list?'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'null-list?'), _322258)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'null-list?'), _322258)
Call: (217) [system] compound(op(+, =, 'null-list?'))
Exit: (217) [system] compound(op(+, =, 'null-list?'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _322258=op(+, =, 'null-list?')
Exit: (217) [system] op(+, =, 'null-list?')=op(+, =, 'null-list?')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'null-list?'), op(+, =, 'null-list?'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), op(+, =, 'null-list?'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'null-list?'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'null-list?'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'null-list?')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null-list?')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null-list?')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _390058)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _390058)
Call: (215) [system] var('next-operation'(op(+, =, 'null-list?')))
Fail: (215) [system] var('next-operation'(op(+, =, 'null-list?')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _390058)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _390058)
Call: (215) [system] compound('next-operation'(op(+, =, 'null-list?')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'null-list?')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _390058)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), _390058)
Call: (215) [system] _401210 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), _403068)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), _403068)
Call: (216) [system] is_list('next-operation'(op(+, =, 'null-list?')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'null-list?')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), _403068)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), _403068)
Call: (216) [system] compound('next-operation'(op(+, =, 'null-list?')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'null-list?')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'null-list?')), _410478, _410480)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'null-list?')), 'next-operation', [op(+, =, 'null-list?')])
Call: (216) [lists] lists:member(_403068, ['next-operation', op(+, =, 'null-list?')])
Unify: (216) [lists] lists:member(_403068, ['next-operation', op(+, =, 'null-list?')])
Call: (217) [lists] lists:member_([op(+, =, 'null-list?')], _403068, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'null-list?')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'null-list?')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'null-list?')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _390058)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _390058)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _390058)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _390058)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _390058)
Call: (216) [system] _390058='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'null-list?')], _403068, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'null-list?')], _403068, 'next-operation')
Call: (218) [lists] lists:member_([], _403068, op(+, =, 'null-list?'))
Unify: (218) [lists] lists:member_([], op(+, =, 'null-list?'), op(+, =, 'null-list?'))
Exit: (218) [lists] lists:member_([], op(+, =, 'null-list?'), op(+, =, 'null-list?'))
Exit: (217) [lists] lists:member_([op(+, =, 'null-list?')], op(+, =, 'null-list?'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'null-list?'), ['next-operation', op(+, =, 'null-list?')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'null-list?')), op(+, =, 'null-list?'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'null-list?'), _390058)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'null-list?'), _390058)
Call: (216) [system] var(op(+, =, 'null-list?'))
Fail: (216) [system] var(op(+, =, 'null-list?'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'null-list?'), _390058)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'null-list?'), _390058)
Call: (216) [system] compound(op(+, =, 'null-list?'))
Exit: (216) [system] compound(op(+, =, 'null-list?'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _390058=op(+, =, 'null-list?')
Exit: (216) [system] op(+, =, 'null-list?')=op(+, =, 'null-list?')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'null-list?'), op(+, =, 'null-list?'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'null-list?')), op(+, =, 'null-list?'))
^ Call: (214) [user] pfcTraced(op(+, =, 'null-list?'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'null-list?'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'null-list?')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'null-list?')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'null-list?')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_38212)
^ Unify: (212) [user] pfcGetSearch(_38212)
Call: (213) [t_l] t_l:pfcSearchTL(_40062)
Fail: (213) [t_l] t_l:pfcSearchTL(_40062)
^ Redo: (212) [user] pfcGetSearch(_38212)
^ Call: (213) [user] pfcSearch(_42836)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _38212=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'null-list?')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'null-list?')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'null-list?')), _67310)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'null-list?')), _67310)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'null-list?')), _67310)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'null-list?')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'null-list?')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'null-list?'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null-list?'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null-list?'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null-list?'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _77572)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null-list?'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null-list?'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'null-list?')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'null-list?')))
Call: (218) [system] is_list(_85068)
Fail: (218) [system] is_list(_85068)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'null-list?')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'null-list?')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'null-list?')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'null-list?')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'null-list?')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'null-list?')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'null-list?')), _92462)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _135124, _135126)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _135124, _135126)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _135124, _135126)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _146366)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _147306)
Call: (224) [system] nonvar(_148164)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _149166)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _150100)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), number_of_clauses(_159294))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), number_of_clauses(_159294))
Call: (224) [system] nonvar(number_of_clauses(_159294))
Exit: (224) [system] nonvar(number_of_clauses(_159294))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_159294), user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_159294), user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _174138), (prolog_current_choice(_174148), push_current_choice(_174148), clause('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _174170), pfc_call(_174170)), nb_setval('$pfc_current_choice', _174138))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _174138), user:(prolog_current_choice(_174148), push_current_choice(_174148), clause('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _174170), pfc_call(_174170)), user:nb_setval('$pfc_current_choice', _174138))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _174138))
Call: (226) [system] nb_current('$pfc_current_choice', _174138)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_174148)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _183488)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _174170)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _174170)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _191860)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _174138), user:(prolog_current_choice(_174148), push_current_choice(_174148), clause('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054), _174170), pfc_call(_174170)), user:nb_setval('$pfc_current_choice', _174138))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'null-list?')), _98054))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Call: (221) [user] pfc_spft(_206730, _206816, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738))
^ Unify: (221) [user] pfc_spft(_206730, _207748, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738))
^ Call: (222) [user] pfcCallSystem('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Call: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Unify: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (224) [system] var('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Fail: (224) [system] var('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Redo: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Unify: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (224) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Exit: (224) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Unify: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Redo: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Unify: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Call: (224) [user] predicate_property('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (227) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Exit: (227) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Unify: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Call: (224) [user] predicate_property('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (226) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Exit: (226) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _242888, _242890)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _242888, _242890)
Call: (227) [system] compound('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Exit: (227) [system] compound('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (227) [system] compound_name_arity('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _242888, _242890)
Exit: (227) [system] compound_name_arity('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Unify: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Call: (224) [user] predicate_property('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _254130)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _255070)
Call: (225) [system] nonvar(_255928)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _256930)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _257864)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (226) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Exit: (226) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Call: (224) [user] predicate_property('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), number_of_clauses(_267058))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), number_of_clauses(_267058))
Call: (225) [system] nonvar(number_of_clauses(_267058))
Exit: (225) [system] nonvar(number_of_clauses(_267058))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_267058), user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_267058), user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (227) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Exit: (227) [system] callable('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(755), user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), number_of_clauses(755))
^ Unify: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _281902), (prolog_current_choice(_281912), push_current_choice(_281912), clause('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _281934), pfc_call(_281934)), nb_setval('$pfc_current_choice', _281902))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _281902), user:(prolog_current_choice(_281912), push_current_choice(_281912), clause('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _281934), pfc_call(_281934)), user:nb_setval('$pfc_current_choice', _281902))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _281902))
Call: (227) [system] nb_current('$pfc_current_choice', _281902)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_281912)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _291252)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _281934)
^ Fail: (226) [user] clause('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _281934)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _299624)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _281902), user:(prolog_current_choice(_281912), push_current_choice(_281912), clause('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)), _281934), pfc_call(_281934)), user:nb_setval('$pfc_current_choice', _281902))
^ Fail: (223) [user] pfc_call('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_206730, _208608, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738)))
^ Fail: (221) [user] pfc_spft(_206730, _307128, '$nt$'('next-operation'(op(+, =, 'null-list?')), _206736, _206738))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'null-list?')), 'next-operation'(op(+, =, 'null-list?'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'null-list?')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'null-list?')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null-list?'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null-list?'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'null-list?'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'null-list?')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3646, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_3646)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3646, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_3646)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3646, (notrace, wdmsg(('next-operation'(op(+, =, 'null-list?'))=>_3646)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'null-list?')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_404654)
Fail: (202) [t_l] t_l:pfcSearchTL(_404654)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_407428)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'null-list?')), (P;HTML|mfl4(_3622, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'null-list?')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'null-list?')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['null-list?', _list], [==, _list, 'Nil']], op(+, =, 'null-list?')), pfcAdd_Now('next-operation'(op(+, =, 'null-list?'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']])\=[_428914|_428916]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']])\=[_428914|_428916]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]))*->_3422='True';_3422='False'), error(_432652, _432654), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]))*->_3422='True';_3422='False'), error(_432652, _432654), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']])
Call: (204) [user] metta_interp_mode(+, _436368)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']])
Call: (205) [user] metta_interp_mode(load, _440958)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']], [=, ['null-list?', _list], [==, _list, 'Nil']])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']], [=, ['null-list?', _list], [==, _list, 'Nil']])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _450180)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']], [=, ['null-list?', _list], [==, _list, 'Nil']])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']], [=, ['null-list?', _list], [==, _list, 'Nil']])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null-list?', _list], [==, _list, 'Nil']], metta_atom('&self', [=, ['null-list?', _list], [==, _list, 'Nil']])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null-list?', _list], [==, _list, 'Nil']], metta_atom('&self', [=, ['null-list?', _list], [==, _list, 'Nil']])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_456656, _456658), once(user:is_compatio0), '$restore_trace'(_456656, _456658))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_456656, _456658), system:once(user:is_compatio0), system:'$restore_trace'(_456656, _456658))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_456656, _456658))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null-list?', _list], [==, _list, 'Nil']], metta_atom('&self', [=, ['null-list?', _list], [==, _list, 'Nil']])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null-list?', _list], [==, _list, 'Nil']], metta_atom('&self', [=, ['null-list?', _list], [==, _list, 'Nil']])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_462274, must_det_ll(user:metta_anew(load, [=, ['null-list?', _list], [==, _list, 'Nil']], metta_atom('&self', [=, ['null-list?', _list], [==, _list, 'Nil']])))), (_462274==""->true;our_ansi_format('#ffa505', '~w~n', [_462274]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_462274, must_det_ll(user:metta_anew(load, [=, ['null-list?', _list], [==, _list, 'Nil']], metta_atom('&self', [=, ['null-list?', _list], [==, _list, 'Nil']])))), (_462274==""->true;our_ansi_format('#ffa505', '~w~n', [_462274]))))
(=
(null-list? $list)
(== $list Nil))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['null-list?', _list], [==, _list, 'Nil']], metta_atom('&self', [=, ['null-list?', _list], [==, _list, 'Nil']])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['null-list?', _list], [==, _list, 'Nil']], metta_atom('&self', [=, ['null-list?', _list], [==, _list, 'Nil']])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']], [=, ['null-list?', _list], [==, _list, 'Nil']])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['null-list?', _list], [==, _list, 'Nil']])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]))*->'True'='True';'True'='False'), error(_432652, _432654), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['null-list?', _list], [==, _list, 'Nil']]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['null-list?', _list], [==, _list, 'Nil']], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['car-list', ['Cons', _493846, _493852]], _493846], ['_xs'=_493852, '_x'=_493846], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(864, 42, 19, 864))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['car-list', ['Cons', _493846, _493852]], _493846], ['_xs'=_493852, '_x'=_493846], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(864, 42, 19, 864))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_xs'=_493852, '_x'=_493846])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_xs'=_493852, '_x'=_493846])
Call: (195) [apply] apply:maplist_(['_xs'=_493852, '_x'=_493846], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_xs'=_493852, '_x'=_493846], user:maybe_assign)
Call: (196) [user] maybe_assign('_xs'=_493852)
Unify: (196) [user] maybe_assign('_xs'=_493852)
^ Call: (197) [user] ignore(_493852=_xs)
^ Unify: (197) [system] ignore(user:(_493852=_xs))
Call: (198) [system] _493852=_xs
Exit: (198) [system] _xs=_xs
^ Exit: (197) [system] ignore(user:(_xs=_xs))
Exit: (196) [user] maybe_assign('_xs'=_xs)
Call: (196) [apply] apply:maplist_(['_x'=_493846], user:maybe_assign)
Unify: (196) [apply] apply:maplist_(['_x'=_493846], user:maybe_assign)
Call: (197) [user] maybe_assign('_x'=_493846)
Unify: (197) [user] maybe_assign('_x'=_493846)
^ Call: (198) [user] ignore(_493846=_x)
^ Unify: (198) [system] ignore(user:(_493846=_x))
Call: (199) [system] _493846=_x
Exit: (199) [system] _x=_x
^ Exit: (198) [system] ignore(user:(_x=_x))
Exit: (197) [user] maybe_assign('_x'=_x)
Call: (197) [apply] apply:maplist_([], user:maybe_assign)
Unify: (197) [apply] apply:maplist_([], user:maybe_assign)
Exit: (197) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_xs'=_xs, '_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_xs'=_xs, '_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422)
Call: (196) [system] var([=, ['car-list', ['Cons', _x, _xs]], _x])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['car-list', ['Cons', _x, _xs]], _x]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422)
Call: (196) [system] string([=, ['car-list', ['Cons', _x, _xs]], _x])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['car-list', ['Cons', _x, _xs]], _x], _63876), pfcAdd_Now('next-operation'(_63876)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['car-list', ['Cons', _x, _xs]], _x], _63876), pfcAdd_Now('next-operation'(_63876)))
Call: (197) [user] into_simple_op(+, [=, ['car-list', ['Cons', _x, _xs]], _x], _63876)
Unify: (197) [user] into_simple_op(+, [=, ['car-list', ['Cons', _x, _xs]], _x], op(+, =, _66668))
Call: (198) [user] o_s([['car-list', ['Cons', _x, _xs]], _x], _66668)
Unify: (198) [user] o_s([['car-list', ['Cons', _x, _xs]], _x], _66668)
Call: (199) [user] o_s(['car-list', ['Cons', _x, _xs]], _66668)
Unify: (199) [user] o_s(['car-list', ['Cons', _x, _xs]], _66668)
Call: (200) [user] o_s('car-list', _66668)
Unify: (200) [user] o_s('car-list', 'car-list')
Exit: (200) [user] o_s('car-list', 'car-list')
Exit: (199) [user] o_s(['car-list', ['Cons', _x, _xs]], 'car-list')
Exit: (198) [user] o_s([['car-list', ['Cons', _x, _xs]], _x], 'car-list')
Exit: (197) [user] into_simple_op(+, [=, ['car-list', ['Cons', _x, _xs]], _x], op(+, =, 'car-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'car-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'car-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'car-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'car-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'car-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'car-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'car-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'car-list')))
^ Call: (199) [user] must_ex(current_why_UU(_87886))
^ Unify: (199) [user] must_ex(current_why_UU(_87886))
Call: (201) [user] current_why_UU(_87886)
Unify: (201) [user] current_why_UU(_87886)
^ Call: (202) [user] get_why_uu(_87886)
^ Unify: (202) [user] get_why_uu(_87886)
^ Call: (203) [user] findall(_93426, current_why(_93426), _93432)
^ Unify: (203) [$bags] findall(_93426, user:current_why(_93426), _93432)
^ Call: (204) [$bags] findall(_93426, user:current_why(_93426), _93432, [])
^ Unify: (204) [$bags] findall(_93426, user:current_why(_93426), _93432, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_93426, user:current_why(_93426), _93432, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_93426, user:current_why(_93426), _93432, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_93426, user:current_why(_93426), _93432, [])
Unify: (206) [$bags] findall_loop(_93426, user:current_why(_93426), _93432, [])
^ Call: (207) [user] bugger:current_why(_93426)
^ Unify: (207) [user] bugger:current_why(_93426)
^ Call: (208) [user] bugger:current_why_data(_93426)
^ Unify: (208) [user] bugger:current_why_data(_93426)
Call: (209) [system] nb_current('$current_why', wp(_93426, _104686))
Fail: (209) [system] nb_current('$current_why', wp(_93426, _104686))
^ Redo: (208) [user] bugger:current_why_data(_93426)
^ Unify: (208) [user] bugger:current_why_data(_93426)
Call: (209) [t_l] t_l:current_why_source(_93426)
Fail: (209) [t_l] t_l:current_why_source(_93426)
^ Fail: (208) [user] bugger:current_why_data(_93426)
^ Redo: (207) [user] bugger:current_why(_93426)
^ Unify: (207) [user] bugger:current_why(mfl4(_112114, _112116, _112118, _112120))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_113070, _113072), once(user:current_mfl4(_112114, _112116, _112118, _112120)), '$restore_trace'(_113070, _113072))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_113070, _113072), system:once(user:current_mfl4(_112114, _112116, _112118, _112120)), system:'$restore_trace'(_113070, _113072))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_113070, _113072))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_112114, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_112114, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_93426, user:current_why(_93426), _93432, [])
Exit: (206) [$bags] findall_loop(_93426, user:current_why(_93426), [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_93426, user:current_why(_93426), [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_93426, user:current_why(_93426), [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_93426, user:current_why(_93426), [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _87886)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _87886)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_249816, _249818)
Fail: (204) [system] [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_249816, _249818)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _87886)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _87886)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _280250)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _280250)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _280250)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _280250)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _280250)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _280250)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _280250)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _280250)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _280250)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_129932, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3608)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3608)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_124884, _124886)
Fail: (205) [system] P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_124884, _124886)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3608)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'car-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'car-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'car-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'car-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'car-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _283618)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _283618)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _283618)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _303454, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_303454)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _303454, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_303454)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _303454, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_303454)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _303454, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_303454)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _333976)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _303454, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_303454)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _303454, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_303454)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'car-list')), P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'car-list')), P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'car-list')), _434628, _434630)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'car-list')), user, 'next-operation'(op(+, =, 'car-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
Call: (212) [system] _438372=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'car-list')), true, _440242)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'car-list')), true, _440242)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'car-list')), true, _443070)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'car-list')), true, _443070)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'car-list')));assert('next-operation'(op(+, =, 'car-list'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'car-list')));assert('next-operation'(op(+, =, 'car-list'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'car-list')));assert('next-operation'(op(+, =, 'car-list')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'car-list')));assert('next-operation'(op(+, =, 'car-list')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'car-list')), _470420, _470422)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'car-list')), user, 'next-operation'(op(+, =, 'car-list')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'car-list')), _472300, _472302)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'car-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'car-list')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'car-list')), _472300, _472302)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
Call: (215) [system] _480706=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'car-list')), true, _482576)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'car-list')), true, _482576)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'car-list')), true, _485404)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'car-list')), true, _485404)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'car-list')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'car-list')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'car-list')));assert('next-operation'(op(+, =, 'car-list')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'car-list')));assert('next-operation'(op(+, =, 'car-list'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3634, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'car-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'car-list')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'car-list')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'car-list')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _24538)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _24538)
Call: (216) [system] var('next-operation'(op(+, =, 'car-list')))
Fail: (216) [system] var('next-operation'(op(+, =, 'car-list')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _24538)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _24538)
Call: (216) [system] compound('next-operation'(op(+, =, 'car-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'car-list')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _24538)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _24538)
Call: (216) [system] _35690 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'car-list')), _37548)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'car-list')), _37548)
Call: (217) [system] is_list('next-operation'(op(+, =, 'car-list')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'car-list')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'car-list')), _37548)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'car-list')), _37548)
Call: (217) [system] compound('next-operation'(op(+, =, 'car-list')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'car-list')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'car-list')), _44958, _44960)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'car-list')), 'next-operation', [op(+, =, 'car-list')])
Call: (217) [lists] lists:member(_37548, ['next-operation', op(+, =, 'car-list')])
Unify: (217) [lists] lists:member(_37548, ['next-operation', op(+, =, 'car-list')])
Call: (218) [lists] lists:member_([op(+, =, 'car-list')], _37548, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'car-list')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'car-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'car-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'car-list')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _24538)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _24538)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _24538)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _24538)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _24538)
Call: (217) [system] _24538='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'car-list')], _37548, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'car-list')], _37548, 'next-operation')
Call: (219) [lists] lists:member_([], _37548, op(+, =, 'car-list'))
Unify: (219) [lists] lists:member_([], op(+, =, 'car-list'), op(+, =, 'car-list'))
Exit: (219) [lists] lists:member_([], op(+, =, 'car-list'), op(+, =, 'car-list'))
Exit: (218) [lists] lists:member_([op(+, =, 'car-list')], op(+, =, 'car-list'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'car-list'), ['next-operation', op(+, =, 'car-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'car-list')), op(+, =, 'car-list'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'car-list'), _24538)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'car-list'), _24538)
Call: (217) [system] var(op(+, =, 'car-list'))
Fail: (217) [system] var(op(+, =, 'car-list'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'car-list'), _24538)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'car-list'), _24538)
Call: (217) [system] compound(op(+, =, 'car-list'))
Exit: (217) [system] compound(op(+, =, 'car-list'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _24538=op(+, =, 'car-list')
Exit: (217) [system] op(+, =, 'car-list')=op(+, =, 'car-list')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'car-list'), op(+, =, 'car-list'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), op(+, =, 'car-list'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'car-list'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'car-list'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'car-list')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'car-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'car-list')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _92338)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _92338)
Call: (215) [system] var('next-operation'(op(+, =, 'car-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'car-list')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _92338)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _92338)
Call: (215) [system] compound('next-operation'(op(+, =, 'car-list')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'car-list')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _92338)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), _92338)
Call: (215) [system] _103490 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'car-list')), _105348)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'car-list')), _105348)
Call: (216) [system] is_list('next-operation'(op(+, =, 'car-list')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'car-list')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'car-list')), _105348)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'car-list')), _105348)
Call: (216) [system] compound('next-operation'(op(+, =, 'car-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'car-list')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'car-list')), _112758, _112760)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'car-list')), 'next-operation', [op(+, =, 'car-list')])
Call: (216) [lists] lists:member(_105348, ['next-operation', op(+, =, 'car-list')])
Unify: (216) [lists] lists:member(_105348, ['next-operation', op(+, =, 'car-list')])
Call: (217) [lists] lists:member_([op(+, =, 'car-list')], _105348, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'car-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'car-list')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'car-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'car-list')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _92338)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _92338)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _92338)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _92338)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _92338)
Call: (216) [system] _92338='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'car-list')], _105348, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'car-list')], _105348, 'next-operation')
Call: (218) [lists] lists:member_([], _105348, op(+, =, 'car-list'))
Unify: (218) [lists] lists:member_([], op(+, =, 'car-list'), op(+, =, 'car-list'))
Exit: (218) [lists] lists:member_([], op(+, =, 'car-list'), op(+, =, 'car-list'))
Exit: (217) [lists] lists:member_([op(+, =, 'car-list')], op(+, =, 'car-list'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'car-list'), ['next-operation', op(+, =, 'car-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'car-list')), op(+, =, 'car-list'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'car-list'), _92338)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'car-list'), _92338)
Call: (216) [system] var(op(+, =, 'car-list'))
Fail: (216) [system] var(op(+, =, 'car-list'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'car-list'), _92338)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'car-list'), _92338)
Call: (216) [system] compound(op(+, =, 'car-list'))
Exit: (216) [system] compound(op(+, =, 'car-list'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _92338=op(+, =, 'car-list')
Exit: (216) [system] op(+, =, 'car-list')=op(+, =, 'car-list')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'car-list'), op(+, =, 'car-list'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'car-list')), op(+, =, 'car-list'))
^ Call: (214) [user] pfcTraced(op(+, =, 'car-list'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'car-list'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'car-list')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'car-list')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'car-list')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_259010)
^ Unify: (212) [user] pfcGetSearch(_259010)
Call: (213) [t_l] t_l:pfcSearchTL(_260860)
Fail: (213) [t_l] t_l:pfcSearchTL(_260860)
^ Redo: (212) [user] pfcGetSearch(_259010)
^ Call: (213) [user] pfcSearch(_263634)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _259010=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'car-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'car-list')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _288108)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _288108)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _288108)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'car-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'car-list')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'car-list'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'car-list'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'car-list'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'car-list'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _298370)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'car-list'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'car-list'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'car-list')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'car-list')))
Call: (218) [system] is_list(_305866)
Fail: (218) [system] is_list(_305866)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'car-list')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'car-list')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'car-list')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'car-list')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'car-list')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'car-list')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'car-list')), _313260)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _355922, _355924)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _355922, _355924)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _355922, _355924)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _367164)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _368104)
Call: (224) [system] nonvar(_368962)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _369964)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _370898)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), number_of_clauses(_380092))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), number_of_clauses(_380092))
Call: (224) [system] nonvar(number_of_clauses(_380092))
Exit: (224) [system] nonvar(number_of_clauses(_380092))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_380092), user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_380092), user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'car-list')), _318852), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _394936), (prolog_current_choice(_394946), push_current_choice(_394946), clause('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _394968), pfc_call(_394968)), nb_setval('$pfc_current_choice', _394936))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _394936), user:(prolog_current_choice(_394946), push_current_choice(_394946), clause('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _394968), pfc_call(_394968)), user:nb_setval('$pfc_current_choice', _394936))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _394936))
Call: (226) [system] nb_current('$pfc_current_choice', _394936)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_394946)
Exit: (225) [system] prolog_current_choice(2931)
^ Call: (225) [user] push_current_choice(2931)
^ Unify: (225) [user] push_current_choice(2931)
Call: (226) [system] nb_current('$pfc_current_choice', _404286)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2931])
Exit: (226) [system] b_setval('$pfc_current_choice', [2931])
^ Exit: (225) [user] push_current_choice(2931)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _394968)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _394968)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _412658)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _394936), user:(prolog_current_choice(_394946), push_current_choice(_394946), clause('$pt$'('next-operation'(op(+, =, 'car-list')), _318852), _394968), pfc_call(_394968)), user:nb_setval('$pfc_current_choice', _394936))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'car-list')), _318852))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Call: (221) [user] pfc_spft(_427528, _427614, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536))
^ Unify: (221) [user] pfc_spft(_427528, _428546, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536))
^ Call: (222) [user] pfcCallSystem('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Call: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Unify: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (224) [system] var('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Fail: (224) [system] var('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Redo: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Unify: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (224) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Exit: (224) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Unify: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Redo: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Unify: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Call: (224) [user] predicate_property('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (227) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Exit: (227) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Unify: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Call: (224) [user] predicate_property('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (226) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Exit: (226) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _463686, _463688)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _463686, _463688)
Call: (227) [system] compound('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Exit: (227) [system] compound('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (227) [system] compound_name_arity('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _463686, _463688)
Exit: (227) [system] compound_name_arity('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Unify: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Call: (224) [user] predicate_property('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _474928)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _475868)
Call: (225) [system] nonvar(_476726)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _477728)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _478662)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (226) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Exit: (226) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Call: (224) [user] predicate_property('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), number_of_clauses(_487856))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), number_of_clauses(_487856))
Call: (225) [system] nonvar(number_of_clauses(_487856))
Exit: (225) [system] nonvar(number_of_clauses(_487856))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_487856), user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_487856), user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (227) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Exit: (227) [system] callable('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(757), user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), number_of_clauses(757))
^ Unify: (223) [user] pfc_call('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _502700), (prolog_current_choice(_502710), push_current_choice(_502710), clause('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _502732), pfc_call(_502732)), nb_setval('$pfc_current_choice', _502700))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _502700), user:(prolog_current_choice(_502710), push_current_choice(_502710), clause('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _502732), pfc_call(_502732)), user:nb_setval('$pfc_current_choice', _502700))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _502700))
Call: (227) [system] nb_current('$pfc_current_choice', _502700)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_502710)
Exit: (226) [system] prolog_current_choice(2951)
^ Call: (226) [user] push_current_choice(2951)
^ Unify: (226) [user] push_current_choice(2951)
Call: (227) [system] nb_current('$pfc_current_choice', _512050)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2951])
Exit: (227) [system] b_setval('$pfc_current_choice', [2951])
^ Exit: (226) [user] push_current_choice(2951)
^ Call: (226) [user] clause('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _502732)
^ Fail: (226) [user] clause('$spft$'(_427528, _429406, '$nt$'('next-operation'(op(+, =, 'car-list')), _427534, _427536)), _502732)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _520422)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _3886), user:(prolog_current_choice(_3896), push_current_choice(_3896), clause('$spft$'(_3864, _3878, '$nt$'('next-operation'(op(+, =, 'car-list')), _3870, _3872)), _3918), pfc_call(_3918)), user:nb_setval('$pfc_current_choice', _3886))
^ Fail: (223) [user] pfc_call('$spft$'(_3864, _3878, '$nt$'('next-operation'(op(+, =, 'car-list')), _3870, _3872)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_3864, _3878, '$nt$'('next-operation'(op(+, =, 'car-list')), _3870, _3872)))
^ Fail: (221) [user] pfc_spft(_3864, _7712, '$nt$'('next-operation'(op(+, =, 'car-list')), _3870, _3872))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'car-list')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'car-list')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'car-list'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'car-list'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'car-list'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'car-list')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3634, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3634)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3634, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3634)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3634, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3634)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'car-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_105238)
Fail: (202) [t_l] t_l:pfcSearchTL(_105238)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_108012)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3610, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'car-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'car-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['car-list', ['Cons', _x, _xs]], _x], op(+, =, 'car-list')), pfcAdd_Now('next-operation'(op(+, =, 'car-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x])\=[_129498|_129500]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x])\=[_129498|_129500]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]))*->_3422='True';_3422='False'), error(_133236, _133238), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]))*->_3422='True';_3422='False'), error(_133236, _133238), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x])
Call: (204) [user] metta_interp_mode(+, _136952)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x])
Call: (205) [user] metta_interp_mode(load, _141542)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x], [=, ['car-list', ['Cons', _x, _xs]], _x])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x], [=, ['car-list', ['Cons', _x, _xs]], _x])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _150764)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x], [=, ['car-list', ['Cons', _x, _xs]], _x])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x], [=, ['car-list', ['Cons', _x, _xs]], _x])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Cons', _x, _xs]], _x], metta_atom('&self', [=, ['car-list', ['Cons', _x, _xs]], _x])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Cons', _x, _xs]], _x], metta_atom('&self', [=, ['car-list', ['Cons', _x, _xs]], _x])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_157240, _157242), once(user:is_compatio0), '$restore_trace'(_157240, _157242))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_157240, _157242), system:once(user:is_compatio0), system:'$restore_trace'(_157240, _157242))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_157240, _157242))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Cons', _x, _xs]], _x], metta_atom('&self', [=, ['car-list', ['Cons', _x, _xs]], _x])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Cons', _x, _xs]], _x], metta_atom('&self', [=, ['car-list', ['Cons', _x, _xs]], _x])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_162858, must_det_ll(user:metta_anew(load, [=, ['car-list', ['Cons', _x, _xs]], _x], metta_atom('&self', [=, ['car-list', ['Cons', _x, _xs]], _x])))), (_162858==""->true;our_ansi_format('#ffa505', '~w~n', [_162858]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_162858, must_det_ll(user:metta_anew(load, [=, ['car-list', ['Cons', _x, _xs]], _x], metta_atom('&self', [=, ['car-list', ['Cons', _x, _xs]], _x])))), (_162858==""->true;our_ansi_format('#ffa505', '~w~n', [_162858]))))
(=
(car-list (Cons $x $xs)) $x)
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['car-list', ['Cons', _x, _xs]], _x], metta_atom('&self', [=, ['car-list', ['Cons', _x, _xs]], _x])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Cons', _x, _xs]], _x], metta_atom('&self', [=, ['car-list', ['Cons', _x, _xs]], _x])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x], [=, ['car-list', ['Cons', _x, _xs]], _x])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Cons', _x, _xs]], _x])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]))*->'True'='True';'True'='False'), error(_133236, _133238), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Cons', _x, _xs]], _x]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Cons', _x, _xs]], _x], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['car-list', ['Nil']], 'Nil'], [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(901, 45, 7, 901))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['car-list', ['Nil']], 'Nil'], [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(901, 45, 7, 901))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422)
Call: (196) [system] var([=, ['car-list', ['Nil']], 'Nil'])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['car-list', ['Nil']], 'Nil']==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422)
Call: (196) [system] string([=, ['car-list', ['Nil']], 'Nil'])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['car-list', ['Nil']], 'Nil'], _264504), pfcAdd_Now('next-operation'(_264504)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['car-list', ['Nil']], 'Nil'], _264504), pfcAdd_Now('next-operation'(_264504)))
Call: (197) [user] into_simple_op(+, [=, ['car-list', ['Nil']], 'Nil'], _264504)
Unify: (197) [user] into_simple_op(+, [=, ['car-list', ['Nil']], 'Nil'], op(+, =, _267296))
Call: (198) [user] o_s([['car-list', ['Nil']], 'Nil'], _267296)
Unify: (198) [user] o_s([['car-list', ['Nil']], 'Nil'], _267296)
Call: (199) [user] o_s(['car-list', ['Nil']], _267296)
Unify: (199) [user] o_s(['car-list', ['Nil']], _267296)
Call: (200) [user] o_s('car-list', _267296)
Unify: (200) [user] o_s('car-list', 'car-list')
Exit: (200) [user] o_s('car-list', 'car-list')
Exit: (199) [user] o_s(['car-list', ['Nil']], 'car-list')
Exit: (198) [user] o_s([['car-list', ['Nil']], 'Nil'], 'car-list')
Exit: (197) [user] into_simple_op(+, [=, ['car-list', ['Nil']], 'Nil'], op(+, =, 'car-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'car-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'car-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'car-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'car-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'car-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'car-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'car-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'car-list')))
^ Call: (199) [user] must_ex(current_why_UU(_288514))
^ Unify: (199) [user] must_ex(current_why_UU(_288514))
Call: (201) [user] current_why_UU(_288514)
Unify: (201) [user] current_why_UU(_288514)
^ Call: (202) [user] get_why_uu(_288514)
^ Unify: (202) [user] get_why_uu(_288514)
^ Call: (203) [user] findall(_294054, current_why(_294054), _294060)
^ Unify: (203) [$bags] findall(_294054, user:current_why(_294054), _294060)
^ Call: (204) [$bags] findall(_294054, user:current_why(_294054), _294060, [])
^ Unify: (204) [$bags] findall(_294054, user:current_why(_294054), _294060, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_294054, user:current_why(_294054), _294060, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_294054, user:current_why(_294054), _294060, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_294054, user:current_why(_294054), _294060, [])
Unify: (206) [$bags] findall_loop(_294054, user:current_why(_294054), _294060, [])
^ Call: (207) [user] bugger:current_why(_294054)
^ Unify: (207) [user] bugger:current_why(_294054)
^ Call: (208) [user] bugger:current_why_data(_294054)
^ Unify: (208) [user] bugger:current_why_data(_294054)
Call: (209) [system] nb_current('$current_why', wp(_294054, _305314))
Fail: (209) [system] nb_current('$current_why', wp(_294054, _305314))
^ Redo: (208) [user] bugger:current_why_data(_294054)
^ Unify: (208) [user] bugger:current_why_data(_294054)
Call: (209) [t_l] t_l:current_why_source(_294054)
Fail: (209) [t_l] t_l:current_why_source(_294054)
^ Fail: (208) [user] bugger:current_why_data(_294054)
^ Redo: (207) [user] bugger:current_why(_294054)
^ Unify: (207) [user] bugger:current_why(mfl4(_312742, _312744, _312746, _312748))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_313698, _313700), once(user:current_mfl4(_312742, _312744, _312746, _312748)), '$restore_trace'(_313698, _313700))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_313698, _313700), system:once(user:current_mfl4(_312742, _312744, _312746, _312748)), system:'$restore_trace'(_313698, _313700))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_313698, _313700))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_312742, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_312742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_294054, user:current_why(_294054), _294060, [])
Exit: (206) [$bags] findall_loop(_294054, user:current_why(_294054), [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_294054, user:current_why(_294054), [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_294054, user:current_why(_294054), [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_294054, user:current_why(_294054), [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _288514)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _288514)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_450444, _450446)
Fail: (204) [system] [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_450444, _450446)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _288514)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _288514)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _480878)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _480878)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _480878)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_330560, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3624)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3624)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3624)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3624)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3624)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3624)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3578)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3578)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_325954, _325956)
Fail: (205) [system] P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_325954, _325956)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3578)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'car-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'car-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'car-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'car-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'car-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _484688)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _484688)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'car-list')), _484688)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _504524, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_504524)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _504524, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_504524)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3604, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3604)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3604, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3604)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _15988)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3604, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3604)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3604, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3604)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'car-list')), P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'car-list')), P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'car-list')), _116640, _116642)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'car-list')), user, 'next-operation'(op(+, =, 'car-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
Call: (212) [system] _120384=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'car-list')), true, _122254)
^ Exit: (212) [user] clause('next-operation'(op(+, =, 'car-list')), true, (0x55643097c460))
Call: (212) [$syspreds] clause_property((0x55643097c460), module(user))
Unify: (212) [$syspreds] clause_property((0x55643097c460), module(user))
Exit: (212) [$syspreds] clause_property((0x55643097c460), module(user))
^ Call: (212) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true, (0x55643097c460))
^ Unify: (212) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true, (0x55643097c460))
^ Call: (213) [user] clause(_128810, _128812, (0x55643097c460))
^ Exit: (213) [user] clause('next-operation'(op(+, =, 'car-list')), true, (0x55643097c460))
^ Call: (213) [user] strip_m('next-operation'(op(+, =, 'car-list')), _130706)
^ Unify: (213) [user] strip_m('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
^ Exit: (213) [user] strip_m('next-operation'(op(+, =, 'car-list')), 'next-operation'(op(+, =, 'car-list')))
Call: (213) [system] 'next-operation'(op(+, =, 'car-list'))=@='next-operation'(op(+, =, 'car-list'))
Exit: (213) [system] 'next-operation'(op(+, =, 'car-list'))=@='next-operation'(op(+, =, 'car-list'))
^ Call: (213) [user] strip_m(true, _135348)
^ Unify: (213) [user] strip_m(true, true)
^ Exit: (213) [user] strip_m(true, true)
Call: (213) [system] cl('next-operation'(op(+, =, 'car-list')), true)=@=cl('next-operation'(op(+, =, 'car-list')), true)
Exit: (213) [system] cl('next-operation'(op(+, =, 'car-list')), true)=@=cl('next-operation'(op(+, =, 'car-list')), true)
^ Exit: (212) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true, (0x55643097c460))
^ Exit: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'car-list')), true)
^ Exit: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'car-list')), true)
^ Fail: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')), true)
^ Fail: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))
^ Redo: (207) [user] pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (208) [user] nop(pfcWarn(not_pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))))
Unify: (208) [user] nop(pfcWarn(not_pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))))
Exit: (208) [user] nop(pfcWarn(not_pfcUnique(post, 'next-operation'(op(+, =, 'car-list')))))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3604, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3604)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3604, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3604)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3604, (notrace, wdmsg(('next-operation'(op(+, =, 'car-list'))=>_3604)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'car-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_211954)
Fail: (202) [t_l] t_l:pfcSearchTL(_211954)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_214728)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'car-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'car-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'car-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['car-list', ['Nil']], 'Nil'], op(+, =, 'car-list')), pfcAdd_Now('next-operation'(op(+, =, 'car-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil'])\=[_236214|_236216]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil'])\=[_236214|_236216]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']))*->_3422='True';_3422='False'), error(_239952, _239954), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']))*->_3422='True';_3422='False'), error(_239952, _239954), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil'])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil'])
Call: (204) [user] metta_interp_mode(+, _243668)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Nil']], 'Nil'])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Nil']], 'Nil'])
Call: (205) [user] metta_interp_mode(load, _248258)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Nil']], 'Nil'])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Nil']], 'Nil'])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Nil']], 'Nil'])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Nil']], 'Nil'])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Nil']], 'Nil'], [=, ['car-list', ['Nil']], 'Nil'])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Nil']], 'Nil'], [=, ['car-list', ['Nil']], 'Nil'])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _257480)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Nil']], 'Nil'], [=, ['car-list', ['Nil']], 'Nil'])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Nil']], 'Nil'], [=, ['car-list', ['Nil']], 'Nil'])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['car-list', ['Nil']], 'Nil'])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['car-list', ['Nil']], 'Nil'])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_263956, _263958), once(user:is_compatio0), '$restore_trace'(_263956, _263958))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_263956, _263958), system:once(user:is_compatio0), system:'$restore_trace'(_263956, _263958))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_263956, _263958))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['car-list', ['Nil']], 'Nil'])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['car-list', ['Nil']], 'Nil'])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_269574, must_det_ll(user:metta_anew(load, [=, ['car-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['car-list', ['Nil']], 'Nil'])))), (_269574==""->true;our_ansi_format('#ffa505', '~w~n', [_269574]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_269574, must_det_ll(user:metta_anew(load, [=, ['car-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['car-list', ['Nil']], 'Nil'])))), (_269574==""->true;our_ansi_format('#ffa505', '~w~n', [_269574]))))
(=
(car-list (Nil)) Nil)
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['car-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['car-list', ['Nil']], 'Nil'])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['car-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['car-list', ['Nil']], 'Nil'])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['car-list', ['Nil']], 'Nil'], [=, ['car-list', ['Nil']], 'Nil'])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['car-list', ['Nil']], 'Nil'])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil'])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']))*->'True'='True';'True'='False'), error(_239952, _239954), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['car-list', ['Nil']], 'Nil']), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['car-list', ['Nil']], 'Nil'], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['cdr-list', ['Cons', _301054, _301060]], _301060], ['_xs'=_301060, '_x'=_301054], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(931, 48, 8, 931))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['cdr-list', ['Cons', _301054, _301060]], _301060], ['_xs'=_301060, '_x'=_301054], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(931, 48, 8, 931))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_xs'=_301060, '_x'=_301054])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_xs'=_301060, '_x'=_301054])
Call: (195) [apply] apply:maplist_(['_xs'=_301060, '_x'=_301054], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_xs'=_301060, '_x'=_301054], user:maybe_assign)
Call: (196) [user] maybe_assign('_xs'=_301060)
Unify: (196) [user] maybe_assign('_xs'=_301060)
^ Call: (197) [user] ignore(_301060=_xs)
^ Unify: (197) [system] ignore(user:(_301060=_xs))
Call: (198) [system] _301060=_xs
Exit: (198) [system] _xs=_xs
^ Exit: (197) [system] ignore(user:(_xs=_xs))
Exit: (196) [user] maybe_assign('_xs'=_xs)
Call: (196) [apply] apply:maplist_(['_x'=_301054], user:maybe_assign)
Unify: (196) [apply] apply:maplist_(['_x'=_301054], user:maybe_assign)
Call: (197) [user] maybe_assign('_x'=_301054)
Unify: (197) [user] maybe_assign('_x'=_301054)
^ Call: (198) [user] ignore(_301054=_x)
^ Unify: (198) [system] ignore(user:(_301054=_x))
Call: (199) [system] _301054=_x
Exit: (199) [system] _x=_x
^ Exit: (198) [system] ignore(user:(_x=_x))
Exit: (197) [user] maybe_assign('_x'=_x)
Call: (197) [apply] apply:maplist_([], user:maybe_assign)
Unify: (197) [apply] apply:maplist_([], user:maybe_assign)
Exit: (197) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_xs'=_xs, '_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_xs'=_xs, '_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422)
Call: (196) [system] var([=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['cdr-list', ['Cons', _x, _xs]], _xs]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422)
Call: (196) [system] string([=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _391512), pfcAdd_Now('next-operation'(_391512)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _391512), pfcAdd_Now('next-operation'(_391512)))
Call: (197) [user] into_simple_op(+, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], _391512)
Unify: (197) [user] into_simple_op(+, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], op(+, =, _394304))
Call: (198) [user] o_s([['cdr-list', ['Cons', _x, _xs]], _xs], _394304)
Unify: (198) [user] o_s([['cdr-list', ['Cons', _x, _xs]], _xs], _394304)
Call: (199) [user] o_s(['cdr-list', ['Cons', _x, _xs]], _394304)
Unify: (199) [user] o_s(['cdr-list', ['Cons', _x, _xs]], _394304)
Call: (200) [user] o_s('cdr-list', _394304)
Unify: (200) [user] o_s('cdr-list', 'cdr-list')
Exit: (200) [user] o_s('cdr-list', 'cdr-list')
Exit: (199) [user] o_s(['cdr-list', ['Cons', _x, _xs]], 'cdr-list')
Exit: (198) [user] o_s([['cdr-list', ['Cons', _x, _xs]], _xs], 'cdr-list')
Exit: (197) [user] into_simple_op(+, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], op(+, =, 'cdr-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdr-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdr-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdr-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdr-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdr-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')))
^ Call: (199) [user] must_ex(current_why_UU(_415522))
^ Unify: (199) [user] must_ex(current_why_UU(_415522))
Call: (201) [user] current_why_UU(_415522)
Unify: (201) [user] current_why_UU(_415522)
^ Call: (202) [user] get_why_uu(_415522)
^ Unify: (202) [user] get_why_uu(_415522)
^ Call: (203) [user] findall(_421062, current_why(_421062), _421068)
^ Unify: (203) [$bags] findall(_421062, user:current_why(_421062), _421068)
^ Call: (204) [$bags] findall(_421062, user:current_why(_421062), _421068, [])
^ Unify: (204) [$bags] findall(_421062, user:current_why(_421062), _421068, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_421062, user:current_why(_421062), _421068, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_421062, user:current_why(_421062), _421068, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_421062, user:current_why(_421062), _421068, [])
Unify: (206) [$bags] findall_loop(_421062, user:current_why(_421062), _421068, [])
^ Call: (207) [user] bugger:current_why(_421062)
^ Unify: (207) [user] bugger:current_why(_421062)
^ Call: (208) [user] bugger:current_why_data(_421062)
^ Unify: (208) [user] bugger:current_why_data(_421062)
Call: (209) [system] nb_current('$current_why', wp(_421062, _432322))
Fail: (209) [system] nb_current('$current_why', wp(_421062, _432322))
^ Redo: (208) [user] bugger:current_why_data(_421062)
^ Unify: (208) [user] bugger:current_why_data(_421062)
Call: (209) [t_l] t_l:current_why_source(_421062)
Fail: (209) [t_l] t_l:current_why_source(_421062)
^ Fail: (208) [user] bugger:current_why_data(_421062)
^ Redo: (207) [user] bugger:current_why(_421062)
^ Unify: (207) [user] bugger:current_why(mfl4(_439750, _439752, _439754, _439756))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_440706, _440708), once(user:current_mfl4(_439750, _439752, _439754, _439756)), '$restore_trace'(_440706, _440708))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_440706, _440708), system:once(user:current_mfl4(_439750, _439752, _439754, _439756)), system:'$restore_trace'(_440706, _440708))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_440706, _440708))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_439750, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_439750, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_421062, user:current_why(_421062), _421068, [])
Exit: (206) [$bags] findall_loop(_421062, user:current_why(_421062), [P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_421062, user:current_why(_421062), [P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_421062, user:current_why(_421062), [P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_421062, user:current_why(_421062), [P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _415522)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_457568, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3622)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_59004, _59006)
Fail: (204) [system] [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_59004, _59006)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3622)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3622)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _89430)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _89430)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _89430)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _89430)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _89430)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _89430)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _89430)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _89430)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _89430)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3622)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3622)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_452898, _452900)
Fail: (205) [system] P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_452898, _452900)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3622)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdr-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdr-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'cdr-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _93144)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _93144)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _93144)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _112980, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_112980)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _112980, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_112980)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _112980, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_112980)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _112980, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_112980)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _143502)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _112980, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_112980)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _112980, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_112980)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cdr-list')), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cdr-list')), P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'cdr-list')), _244154, _244156)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'cdr-list')), user, 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
Call: (212) [system] _247898=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cdr-list')), true, _249768)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cdr-list')), true, _249768)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cdr-list')), true, _252596)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cdr-list')), true, _252596)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdr-list')));assert('next-operation'(op(+, =, 'cdr-list'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdr-list')));assert('next-operation'(op(+, =, 'cdr-list'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdr-list')));assert('next-operation'(op(+, =, 'cdr-list')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdr-list')));assert('next-operation'(op(+, =, 'cdr-list')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'cdr-list')), _279946, _279948)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'cdr-list')), user, 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdr-list')), _281826, _281828)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'cdr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdr-list')), _281826, _281828)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
Call: (215) [system] _290232=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cdr-list')), true, _292102)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cdr-list')), true, _292102)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cdr-list')), true, _294930)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cdr-list')), true, _294930)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdr-list')));assert('next-operation'(op(+, =, 'cdr-list')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdr-list')));assert('next-operation'(op(+, =, 'cdr-list'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdr-list')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cdr-list')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _351720)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _351720)
Call: (216) [system] var('next-operation'(op(+, =, 'cdr-list')))
Fail: (216) [system] var('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _351720)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _351720)
Call: (216) [system] compound('next-operation'(op(+, =, 'cdr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cdr-list')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _351720)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _351720)
Call: (216) [system] _362872 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), _364730)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), _364730)
Call: (217) [system] is_list('next-operation'(op(+, =, 'cdr-list')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), _364730)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), _364730)
Call: (217) [system] compound('next-operation'(op(+, =, 'cdr-list')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'cdr-list')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cdr-list')), _372140, _372142)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cdr-list')), 'next-operation', [op(+, =, 'cdr-list')])
Call: (217) [lists] lists:member(_364730, ['next-operation', op(+, =, 'cdr-list')])
Unify: (217) [lists] lists:member(_364730, ['next-operation', op(+, =, 'cdr-list')])
Call: (218) [lists] lists:member_([op(+, =, 'cdr-list')], _364730, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cdr-list')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'cdr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cdr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _351720)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _351720)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _351720)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _351720)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _351720)
Call: (217) [system] _351720='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'cdr-list')], _364730, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cdr-list')], _364730, 'next-operation')
Call: (219) [lists] lists:member_([], _364730, op(+, =, 'cdr-list'))
Unify: (219) [lists] lists:member_([], op(+, =, 'cdr-list'), op(+, =, 'cdr-list'))
Exit: (219) [lists] lists:member_([], op(+, =, 'cdr-list'), op(+, =, 'cdr-list'))
Exit: (218) [lists] lists:member_([op(+, =, 'cdr-list')], op(+, =, 'cdr-list'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'cdr-list'), ['next-operation', op(+, =, 'cdr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), op(+, =, 'cdr-list'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'cdr-list'), _351720)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cdr-list'), _351720)
Call: (217) [system] var(op(+, =, 'cdr-list'))
Fail: (217) [system] var(op(+, =, 'cdr-list'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'cdr-list'), _351720)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cdr-list'), _351720)
Call: (217) [system] compound(op(+, =, 'cdr-list'))
Exit: (217) [system] compound(op(+, =, 'cdr-list'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _351720=op(+, =, 'cdr-list')
Exit: (217) [system] op(+, =, 'cdr-list')=op(+, =, 'cdr-list')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'cdr-list'), op(+, =, 'cdr-list'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), op(+, =, 'cdr-list'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'cdr-list'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'cdr-list'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdr-list')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _419520)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _419520)
Call: (215) [system] var('next-operation'(op(+, =, 'cdr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _419520)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _419520)
Call: (215) [system] compound('next-operation'(op(+, =, 'cdr-list')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'cdr-list')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _419520)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), _419520)
Call: (215) [system] _430672 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), _432530)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), _432530)
Call: (216) [system] is_list('next-operation'(op(+, =, 'cdr-list')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), _432530)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), _432530)
Call: (216) [system] compound('next-operation'(op(+, =, 'cdr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cdr-list')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cdr-list')), _439940, _439942)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cdr-list')), 'next-operation', [op(+, =, 'cdr-list')])
Call: (216) [lists] lists:member(_432530, ['next-operation', op(+, =, 'cdr-list')])
Unify: (216) [lists] lists:member(_432530, ['next-operation', op(+, =, 'cdr-list')])
Call: (217) [lists] lists:member_([op(+, =, 'cdr-list')], _432530, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cdr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'cdr-list')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cdr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _419520)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _419520)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _419520)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _419520)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _419520)
Call: (216) [system] _419520='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'cdr-list')], _432530, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cdr-list')], _432530, 'next-operation')
Call: (218) [lists] lists:member_([], _432530, op(+, =, 'cdr-list'))
Unify: (218) [lists] lists:member_([], op(+, =, 'cdr-list'), op(+, =, 'cdr-list'))
Exit: (218) [lists] lists:member_([], op(+, =, 'cdr-list'), op(+, =, 'cdr-list'))
Exit: (217) [lists] lists:member_([op(+, =, 'cdr-list')], op(+, =, 'cdr-list'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'cdr-list'), ['next-operation', op(+, =, 'cdr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cdr-list')), op(+, =, 'cdr-list'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'cdr-list'), _419520)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cdr-list'), _419520)
Call: (216) [system] var(op(+, =, 'cdr-list'))
Fail: (216) [system] var(op(+, =, 'cdr-list'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'cdr-list'), _419520)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cdr-list'), _419520)
Call: (216) [system] compound(op(+, =, 'cdr-list'))
Exit: (216) [system] compound(op(+, =, 'cdr-list'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _419520=op(+, =, 'cdr-list')
Exit: (216) [system] op(+, =, 'cdr-list')=op(+, =, 'cdr-list')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'cdr-list'), op(+, =, 'cdr-list'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdr-list')), op(+, =, 'cdr-list'))
^ Call: (214) [user] pfcTraced(op(+, =, 'cdr-list'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'cdr-list'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3648, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'cdr-list')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'cdr-list')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_68420)
^ Unify: (212) [user] pfcGetSearch(_68420)
Call: (213) [t_l] t_l:pfcSearchTL(_70270)
Fail: (213) [t_l] t_l:pfcSearchTL(_70270)
^ Redo: (212) [user] pfcGetSearch(_68420)
^ Call: (213) [user] pfcSearch(_73044)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _68420=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdr-list')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _97518)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _97518)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _97518)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdr-list')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'cdr-list'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdr-list'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdr-list'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdr-list'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _107780)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdr-list'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdr-list'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cdr-list')))
Call: (218) [system] is_list(_115276)
Fail: (218) [system] is_list(_115276)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cdr-list')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cdr-list')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cdr-list')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'cdr-list')), _122670)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _165332, _165334)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _165332, _165334)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _165332, _165334)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _176574)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _177514)
Call: (224) [system] nonvar(_178372)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _179374)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _180308)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), number_of_clauses(_189502))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), number_of_clauses(_189502))
Call: (224) [system] nonvar(number_of_clauses(_189502))
Exit: (224) [system] nonvar(number_of_clauses(_189502))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_189502), user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_189502), user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _204346), (prolog_current_choice(_204356), push_current_choice(_204356), clause('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _204378), pfc_call(_204378)), nb_setval('$pfc_current_choice', _204346))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _204346), user:(prolog_current_choice(_204356), push_current_choice(_204356), clause('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _204378), pfc_call(_204378)), user:nb_setval('$pfc_current_choice', _204346))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _204346))
Call: (226) [system] nb_current('$pfc_current_choice', _204346)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_204356)
Exit: (225) [system] prolog_current_choice(2931)
^ Call: (225) [user] push_current_choice(2931)
^ Unify: (225) [user] push_current_choice(2931)
Call: (226) [system] nb_current('$pfc_current_choice', _213696)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2931])
Exit: (226) [system] b_setval('$pfc_current_choice', [2931])
^ Exit: (225) [user] push_current_choice(2931)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _204378)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _204378)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _222068)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _204346), user:(prolog_current_choice(_204356), push_current_choice(_204356), clause('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262), _204378), pfc_call(_204378)), user:nb_setval('$pfc_current_choice', _204346))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cdr-list')), _128262))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (221) [user] pfc_spft(_236938, _237024, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946))
^ Unify: (221) [user] pfc_spft(_236938, _237956, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946))
^ Call: (222) [user] pfcCallSystem('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Call: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Unify: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (224) [system] var('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Fail: (224) [system] var('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Redo: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Unify: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (224) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Exit: (224) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Unify: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Redo: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Unify: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Call: (224) [user] predicate_property('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (227) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Exit: (227) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Unify: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Call: (224) [user] predicate_property('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (226) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Exit: (226) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _273096, _273098)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _273096, _273098)
Call: (227) [system] compound('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Exit: (227) [system] compound('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (227) [system] compound_name_arity('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _273096, _273098)
Exit: (227) [system] compound_name_arity('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Unify: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Call: (224) [user] predicate_property('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _284338)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _285278)
Call: (225) [system] nonvar(_286136)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _287138)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _288072)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (226) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Exit: (226) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Call: (224) [user] predicate_property('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), number_of_clauses(_297266))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), number_of_clauses(_297266))
Call: (225) [system] nonvar(number_of_clauses(_297266))
Exit: (225) [system] nonvar(number_of_clauses(_297266))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_297266), user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_297266), user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (227) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Exit: (227) [system] callable('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(761), user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), number_of_clauses(761))
^ Unify: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _312110), (prolog_current_choice(_312120), push_current_choice(_312120), clause('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _312142), pfc_call(_312142)), nb_setval('$pfc_current_choice', _312110))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _312110), user:(prolog_current_choice(_312120), push_current_choice(_312120), clause('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _312142), pfc_call(_312142)), user:nb_setval('$pfc_current_choice', _312110))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _312110))
Call: (227) [system] nb_current('$pfc_current_choice', _312110)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_312120)
Exit: (226) [system] prolog_current_choice(2951)
^ Call: (226) [user] push_current_choice(2951)
^ Unify: (226) [user] push_current_choice(2951)
Call: (227) [system] nb_current('$pfc_current_choice', _321460)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2951])
Exit: (227) [system] b_setval('$pfc_current_choice', [2951])
^ Exit: (226) [user] push_current_choice(2951)
^ Call: (226) [user] clause('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _312142)
^ Fail: (226) [user] clause('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _312142)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _329832)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _312110), user:(prolog_current_choice(_312120), push_current_choice(_312120), clause('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)), _312142), pfc_call(_312142)), user:nb_setval('$pfc_current_choice', _312110))
^ Fail: (223) [user] pfc_call('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_236938, _238816, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946)))
^ Fail: (221) [user] pfc_spft(_236938, _337336, '$nt$'('next-operation'(op(+, =, 'cdr-list')), _236944, _236946))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdr-list'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdr-list'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdr-list'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3648, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_3648)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3648, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_3648)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3648, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_3648)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdr-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_434862)
Fail: (202) [t_l] t_l:pfcSearchTL(_434862)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_437636)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], op(+, =, 'cdr-list')), pfcAdd_Now('next-operation'(op(+, =, 'cdr-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])\=[_459122|_459124]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])\=[_459122|_459124]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]))*->_3422='True';_3422='False'), error(_462860, _462862), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]))*->_3422='True';_3422='False'), error(_462860, _462862), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Call: (204) [user] metta_interp_mode(+, _466576)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Call: (205) [user] metta_interp_mode(load, _471166)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _480388)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], metta_atom('&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], metta_atom('&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_486864, _486866), once(user:is_compatio0), '$restore_trace'(_486864, _486866))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_486864, _486866), system:once(user:is_compatio0), system:'$restore_trace'(_486864, _486866))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_486864, _486866))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], metta_atom('&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], metta_atom('&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_492482, must_det_ll(user:metta_anew(load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], metta_atom('&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs])))), (_492482==""->true;our_ansi_format('#ffa505', '~w~n', [_492482]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_492482, must_det_ll(user:metta_anew(load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], metta_atom('&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs])))), (_492482==""->true;our_ansi_format('#ffa505', '~w~n', [_492482]))))
(=
(cdr-list (Cons $x $xs)) $xs)
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], metta_atom('&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], metta_atom('&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs], [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]))*->'True'='True';'True'='False'), error(_462860, _462862), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Cons', _x, _xs]], _xs]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Cons', _x, _xs]], _xs], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['cdr-list', ['Nil']], 'Nil'], [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(969, 51, 8, 969))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['cdr-list', ['Nil']], 'Nil'], [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(969, 51, 8, 969))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422)
Call: (196) [system] var([=, ['cdr-list', ['Nil']], 'Nil'])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['cdr-list', ['Nil']], 'Nil']==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422)
Call: (196) [system] string([=, ['cdr-list', ['Nil']], 'Nil'])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['cdr-list', ['Nil']], 'Nil'], _74560), pfcAdd_Now('next-operation'(_74560)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['cdr-list', ['Nil']], 'Nil'], _74560), pfcAdd_Now('next-operation'(_74560)))
Call: (197) [user] into_simple_op(+, [=, ['cdr-list', ['Nil']], 'Nil'], _74560)
Unify: (197) [user] into_simple_op(+, [=, ['cdr-list', ['Nil']], 'Nil'], op(+, =, _77352))
Call: (198) [user] o_s([['cdr-list', ['Nil']], 'Nil'], _77352)
Unify: (198) [user] o_s([['cdr-list', ['Nil']], 'Nil'], _77352)
Call: (199) [user] o_s(['cdr-list', ['Nil']], _77352)
Unify: (199) [user] o_s(['cdr-list', ['Nil']], _77352)
Call: (200) [user] o_s('cdr-list', _77352)
Unify: (200) [user] o_s('cdr-list', 'cdr-list')
Exit: (200) [user] o_s('cdr-list', 'cdr-list')
Exit: (199) [user] o_s(['cdr-list', ['Nil']], 'cdr-list')
Exit: (198) [user] o_s([['cdr-list', ['Nil']], 'Nil'], 'cdr-list')
Exit: (197) [user] into_simple_op(+, [=, ['cdr-list', ['Nil']], 'Nil'], op(+, =, 'cdr-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdr-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdr-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdr-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdr-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdr-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')))
^ Call: (199) [user] must_ex(current_why_UU(_98570))
^ Unify: (199) [user] must_ex(current_why_UU(_98570))
Call: (201) [user] current_why_UU(_98570)
Unify: (201) [user] current_why_UU(_98570)
^ Call: (202) [user] get_why_uu(_98570)
^ Unify: (202) [user] get_why_uu(_98570)
^ Call: (203) [user] findall(_104110, current_why(_104110), _104116)
^ Unify: (203) [$bags] findall(_104110, user:current_why(_104110), _104116)
^ Call: (204) [$bags] findall(_104110, user:current_why(_104110), _104116, [])
^ Unify: (204) [$bags] findall(_104110, user:current_why(_104110), _104116, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_104110, user:current_why(_104110), _104116, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_104110, user:current_why(_104110), _104116, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_104110, user:current_why(_104110), _104116, [])
Unify: (206) [$bags] findall_loop(_104110, user:current_why(_104110), _104116, [])
^ Call: (207) [user] bugger:current_why(_104110)
^ Unify: (207) [user] bugger:current_why(_104110)
^ Call: (208) [user] bugger:current_why_data(_104110)
^ Unify: (208) [user] bugger:current_why_data(_104110)
Call: (209) [system] nb_current('$current_why', wp(_104110, _115370))
Fail: (209) [system] nb_current('$current_why', wp(_104110, _115370))
^ Redo: (208) [user] bugger:current_why_data(_104110)
^ Unify: (208) [user] bugger:current_why_data(_104110)
Call: (209) [t_l] t_l:current_why_source(_104110)
Fail: (209) [t_l] t_l:current_why_source(_104110)
^ Fail: (208) [user] bugger:current_why_data(_104110)
^ Redo: (207) [user] bugger:current_why(_104110)
^ Unify: (207) [user] bugger:current_why(mfl4(_122798, _122800, _122802, _122804))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_123754, _123756), once(user:current_mfl4(_122798, _122800, _122802, _122804)), '$restore_trace'(_123754, _123756))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_123754, _123756), system:once(user:current_mfl4(_122798, _122800, _122802, _122804)), system:'$restore_trace'(_123754, _123756))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_123754, _123756))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_122798, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_122798, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_104110, user:current_why(_104110), _104116, [])
Exit: (206) [$bags] findall_loop(_104110, user:current_why(_104110), [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_104110, user:current_why(_104110), [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_104110, user:current_why(_104110), [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_104110, user:current_why(_104110), [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _98570)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _98570)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_260500, _260502)
Fail: (204) [system] [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_260500, _260502)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _98570)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _98570)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _290934)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _290934)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _290934)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _290934)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _290934)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _290934)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _290934)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _290934)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_140616, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _290934)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3578)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3578)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_134314, _134316)
Fail: (205) [system] P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_134314, _134316)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3578)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdr-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdr-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'cdr-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'cdr-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _293048)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _293048)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdr-list')), _293048)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _343406)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cdr-list')), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cdr-list')), P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'cdr-list')), _444058, _444060)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'cdr-list')), user, 'next-operation'(op(+, =, 'cdr-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
Call: (212) [system] _447802=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cdr-list')), true, _449672)
^ Exit: (212) [user] clause('next-operation'(op(+, =, 'cdr-list')), true, (0x556430930af0))
Call: (212) [$syspreds] clause_property((0x556430930af0), module(user))
Unify: (212) [$syspreds] clause_property((0x556430930af0), module(user))
Exit: (212) [$syspreds] clause_property((0x556430930af0), module(user))
^ Call: (212) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true, (0x556430930af0))
^ Unify: (212) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true, (0x556430930af0))
^ Call: (213) [user] clause(_456228, _456230, (0x556430930af0))
^ Exit: (213) [user] clause('next-operation'(op(+, =, 'cdr-list')), true, (0x556430930af0))
^ Call: (213) [user] strip_m('next-operation'(op(+, =, 'cdr-list')), _458124)
^ Unify: (213) [user] strip_m('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
^ Exit: (213) [user] strip_m('next-operation'(op(+, =, 'cdr-list')), 'next-operation'(op(+, =, 'cdr-list')))
Call: (213) [system] 'next-operation'(op(+, =, 'cdr-list'))=@='next-operation'(op(+, =, 'cdr-list'))
Exit: (213) [system] 'next-operation'(op(+, =, 'cdr-list'))=@='next-operation'(op(+, =, 'cdr-list'))
^ Call: (213) [user] strip_m(true, _462766)
^ Unify: (213) [user] strip_m(true, true)
^ Exit: (213) [user] strip_m(true, true)
Call: (213) [system] cl('next-operation'(op(+, =, 'cdr-list')), true)=@=cl('next-operation'(op(+, =, 'cdr-list')), true)
Exit: (213) [system] cl('next-operation'(op(+, =, 'cdr-list')), true)=@=cl('next-operation'(op(+, =, 'cdr-list')), true)
^ Exit: (212) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true, (0x556430930af0))
^ Exit: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Exit: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdr-list')), true)
^ Fail: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')), true)
^ Fail: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))
^ Redo: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (208) [user] nop(pfcWarn(not_pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))))
Unify: (208) [user] nop(pfcWarn(not_pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))))
Exit: (208) [user] nop(pfcWarn(not_pfcUnique(post, 'next-operation'(op(+, =, 'cdr-list')))))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _312884, (notrace, wdmsg(('next-operation'(op(+, =, 'cdr-list'))=>_312884)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3604, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdr-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_20022)
Fail: (202) [t_l] t_l:pfcSearchTL(_20022)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_22796)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')), (P;HTML|mfl4(_3580, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdr-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['cdr-list', ['Nil']], 'Nil'], op(+, =, 'cdr-list')), pfcAdd_Now('next-operation'(op(+, =, 'cdr-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil'])\=[_44282|_44284]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil'])\=[_44282|_44284]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']))*->_3422='True';_3422='False'), error(_48020, _48022), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']))*->_3422='True';_3422='False'), error(_48020, _48022), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil'])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil'])
Call: (204) [user] metta_interp_mode(+, _51736)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'])
Call: (205) [user] metta_interp_mode(load, _56326)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'], [=, ['cdr-list', ['Nil']], 'Nil'])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'], [=, ['cdr-list', ['Nil']], 'Nil'])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _65548)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'], [=, ['cdr-list', ['Nil']], 'Nil'])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'], [=, ['cdr-list', ['Nil']], 'Nil'])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['cdr-list', ['Nil']], 'Nil'])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['cdr-list', ['Nil']], 'Nil'])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_72024, _72026), once(user:is_compatio0), '$restore_trace'(_72024, _72026))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_72024, _72026), system:once(user:is_compatio0), system:'$restore_trace'(_72024, _72026))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_72024, _72026))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['cdr-list', ['Nil']], 'Nil'])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['cdr-list', ['Nil']], 'Nil'])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_77642, must_det_ll(user:metta_anew(load, [=, ['cdr-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['cdr-list', ['Nil']], 'Nil'])))), (_77642==""->true;our_ansi_format('#ffa505', '~w~n', [_77642]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_77642, must_det_ll(user:metta_anew(load, [=, ['cdr-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['cdr-list', ['Nil']], 'Nil'])))), (_77642==""->true;our_ansi_format('#ffa505', '~w~n', [_77642]))))
(=
(cdr-list (Nil)) Nil)
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['cdr-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['cdr-list', ['Nil']], 'Nil'])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdr-list', ['Nil']], 'Nil'], metta_atom('&self', [=, ['cdr-list', ['Nil']], 'Nil'])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'], [=, ['cdr-list', ['Nil']], 'Nil'])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['cdr-list', ['Nil']], 'Nil'])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil'])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']))*->'True'='True';'True'='False'), error(_48020, _48022), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdr-list', ['Nil']], 'Nil']), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdr-list', ['Nil']], 'Nil'], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['cadr-list', _109110], ['car-list', ['cdr-list', _109110]]], ['_x'=_109110], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(999, 54, 8, 999))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['cadr-list', _109110], ['car-list', ['cdr-list', _109110]]], ['_x'=_109110], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(999, 54, 8, 999))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_109110])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_109110])
Call: (195) [apply] apply:maplist_(['_x'=_109110], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_109110], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_109110)
Unify: (196) [user] maybe_assign('_x'=_109110)
^ Call: (197) [user] ignore(_109110=_x)
^ Unify: (197) [system] ignore(user:(_109110=_x))
Call: (198) [system] _109110=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422)
Call: (196) [system] var([=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422)
Call: (196) [system] string([=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _189392), pfcAdd_Now('next-operation'(_189392)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _189392), pfcAdd_Now('next-operation'(_189392)))
Call: (197) [user] into_simple_op(+, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _189392)
Unify: (197) [user] into_simple_op(+, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], op(+, =, _192184))
Call: (198) [user] o_s([['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _192184)
Unify: (198) [user] o_s([['cadr-list', _x], ['car-list', ['cdr-list', _x]]], _192184)
Call: (199) [user] o_s(['cadr-list', _x], _192184)
Unify: (199) [user] o_s(['cadr-list', _x], _192184)
Call: (200) [user] o_s('cadr-list', _192184)
Unify: (200) [user] o_s('cadr-list', 'cadr-list')
Exit: (200) [user] o_s('cadr-list', 'cadr-list')
Exit: (199) [user] o_s(['cadr-list', _x], 'cadr-list')
Exit: (198) [user] o_s([['cadr-list', _x], ['car-list', ['cdr-list', _x]]], 'cadr-list')
Exit: (197) [user] into_simple_op(+, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], op(+, =, 'cadr-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cadr-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cadr-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cadr-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cadr-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cadr-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'cadr-list')))
^ Call: (199) [user] must_ex(current_why_UU(_213402))
^ Unify: (199) [user] must_ex(current_why_UU(_213402))
Call: (201) [user] current_why_UU(_213402)
Unify: (201) [user] current_why_UU(_213402)
^ Call: (202) [user] get_why_uu(_213402)
^ Unify: (202) [user] get_why_uu(_213402)
^ Call: (203) [user] findall(_218942, current_why(_218942), _218948)
^ Unify: (203) [$bags] findall(_218942, user:current_why(_218942), _218948)
^ Call: (204) [$bags] findall(_218942, user:current_why(_218942), _218948, [])
^ Unify: (204) [$bags] findall(_218942, user:current_why(_218942), _218948, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_218942, user:current_why(_218942), _218948, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_218942, user:current_why(_218942), _218948, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_218942, user:current_why(_218942), _218948, [])
Unify: (206) [$bags] findall_loop(_218942, user:current_why(_218942), _218948, [])
^ Call: (207) [user] bugger:current_why(_218942)
^ Unify: (207) [user] bugger:current_why(_218942)
^ Call: (208) [user] bugger:current_why_data(_218942)
^ Unify: (208) [user] bugger:current_why_data(_218942)
Call: (209) [system] nb_current('$current_why', wp(_218942, _230202))
Fail: (209) [system] nb_current('$current_why', wp(_218942, _230202))
^ Redo: (208) [user] bugger:current_why_data(_218942)
^ Unify: (208) [user] bugger:current_why_data(_218942)
Call: (209) [t_l] t_l:current_why_source(_218942)
Fail: (209) [t_l] t_l:current_why_source(_218942)
^ Fail: (208) [user] bugger:current_why_data(_218942)
^ Redo: (207) [user] bugger:current_why(_218942)
^ Unify: (207) [user] bugger:current_why(mfl4(_237630, _237632, _237634, _237636))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_238586, _238588), once(user:current_mfl4(_237630, _237632, _237634, _237636)), '$restore_trace'(_238586, _238588))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_238586, _238588), system:once(user:current_mfl4(_237630, _237632, _237634, _237636)), system:'$restore_trace'(_238586, _238588))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_238586, _238588))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_237630, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_237630, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_218942, user:current_why(_218942), _218948, [])
Exit: (206) [$bags] findall_loop(_218942, user:current_why(_218942), [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_218942, user:current_why(_218942), [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_218942, user:current_why(_218942), [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_218942, user:current_why(_218942), [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _213402)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _213402)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_375332, _375334)
Fail: (204) [system] [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_375332, _375334)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _213402)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _213402)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _405766)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _405766)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _405766)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _405766)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_255448, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3612)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3612)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_250938, _250940)
Fail: (205) [system] P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_250938, _250940)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3612)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cadr-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cadr-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'cadr-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'cadr-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cadr-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'cadr-list')), _409672)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'cadr-list')), _409672)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'cadr-list')), _409672)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _429508, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_429508)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _429508, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_429508)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _429508, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_429508)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _429508, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_429508)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _460030)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _429508, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_429508)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _429508, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_429508)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cadr-list')), P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cadr-list')), P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadr-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadr-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cadr-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cadr-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'cadr-list')), _41856, _41858)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'cadr-list')), user, 'next-operation'(op(+, =, 'cadr-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadr-list')), true)
Call: (212) [system] _45600=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cadr-list')), true, _47470)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cadr-list')), true, _47470)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cadr-list')), true, _50298)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cadr-list')), true, _50298)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cadr-list')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadr-list')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadr-list')));assert('next-operation'(op(+, =, 'cadr-list'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadr-list')));assert('next-operation'(op(+, =, 'cadr-list'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadr-list')));assert('next-operation'(op(+, =, 'cadr-list')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadr-list')));assert('next-operation'(op(+, =, 'cadr-list')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cadr-list')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'cadr-list')), _77648, _77650)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'cadr-list')), user, 'next-operation'(op(+, =, 'cadr-list')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadr-list')), _79528, _79530)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'cadr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cadr-list')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadr-list')), _79528, _79530)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadr-list')), true)
Call: (215) [system] _87934=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cadr-list')), true, _89804)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cadr-list')), true, _89804)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cadr-list')), true, _92632)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cadr-list')), true, _92632)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadr-list')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cadr-list')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'cadr-list')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'cadr-list')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadr-list')));assert('next-operation'(op(+, =, 'cadr-list')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadr-list')));assert('next-operation'(op(+, =, 'cadr-list'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadr-list')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cadr-list')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _149422)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _149422)
Call: (216) [system] var('next-operation'(op(+, =, 'cadr-list')))
Fail: (216) [system] var('next-operation'(op(+, =, 'cadr-list')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _149422)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _149422)
Call: (216) [system] compound('next-operation'(op(+, =, 'cadr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cadr-list')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _149422)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _149422)
Call: (216) [system] _160574 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), _162432)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), _162432)
Call: (217) [system] is_list('next-operation'(op(+, =, 'cadr-list')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'cadr-list')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), _162432)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), _162432)
Call: (217) [system] compound('next-operation'(op(+, =, 'cadr-list')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'cadr-list')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cadr-list')), _169842, _169844)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cadr-list')), 'next-operation', [op(+, =, 'cadr-list')])
Call: (217) [lists] lists:member(_162432, ['next-operation', op(+, =, 'cadr-list')])
Unify: (217) [lists] lists:member(_162432, ['next-operation', op(+, =, 'cadr-list')])
Call: (218) [lists] lists:member_([op(+, =, 'cadr-list')], _162432, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cadr-list')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'cadr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cadr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _149422)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _149422)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _149422)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _149422)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _149422)
Call: (217) [system] _149422='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'cadr-list')], _162432, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cadr-list')], _162432, 'next-operation')
Call: (219) [lists] lists:member_([], _162432, op(+, =, 'cadr-list'))
Unify: (219) [lists] lists:member_([], op(+, =, 'cadr-list'), op(+, =, 'cadr-list'))
Exit: (219) [lists] lists:member_([], op(+, =, 'cadr-list'), op(+, =, 'cadr-list'))
Exit: (218) [lists] lists:member_([op(+, =, 'cadr-list')], op(+, =, 'cadr-list'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'cadr-list'), ['next-operation', op(+, =, 'cadr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), op(+, =, 'cadr-list'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'cadr-list'), _149422)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cadr-list'), _149422)
Call: (217) [system] var(op(+, =, 'cadr-list'))
Fail: (217) [system] var(op(+, =, 'cadr-list'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'cadr-list'), _149422)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cadr-list'), _149422)
Call: (217) [system] compound(op(+, =, 'cadr-list'))
Exit: (217) [system] compound(op(+, =, 'cadr-list'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _149422=op(+, =, 'cadr-list')
Exit: (217) [system] op(+, =, 'cadr-list')=op(+, =, 'cadr-list')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'cadr-list'), op(+, =, 'cadr-list'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), op(+, =, 'cadr-list'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'cadr-list'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'cadr-list'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cadr-list')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadr-list')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _217222)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _217222)
Call: (215) [system] var('next-operation'(op(+, =, 'cadr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cadr-list')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _217222)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _217222)
Call: (215) [system] compound('next-operation'(op(+, =, 'cadr-list')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'cadr-list')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _217222)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), _217222)
Call: (215) [system] _228374 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), _230232)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), _230232)
Call: (216) [system] is_list('next-operation'(op(+, =, 'cadr-list')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'cadr-list')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), _230232)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), _230232)
Call: (216) [system] compound('next-operation'(op(+, =, 'cadr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cadr-list')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cadr-list')), _237642, _237644)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cadr-list')), 'next-operation', [op(+, =, 'cadr-list')])
Call: (216) [lists] lists:member(_230232, ['next-operation', op(+, =, 'cadr-list')])
Unify: (216) [lists] lists:member(_230232, ['next-operation', op(+, =, 'cadr-list')])
Call: (217) [lists] lists:member_([op(+, =, 'cadr-list')], _230232, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cadr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'cadr-list')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cadr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _217222)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _217222)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _217222)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _217222)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _217222)
Call: (216) [system] _217222='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'cadr-list')], _230232, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cadr-list')], _230232, 'next-operation')
Call: (218) [lists] lists:member_([], _230232, op(+, =, 'cadr-list'))
Unify: (218) [lists] lists:member_([], op(+, =, 'cadr-list'), op(+, =, 'cadr-list'))
Exit: (218) [lists] lists:member_([], op(+, =, 'cadr-list'), op(+, =, 'cadr-list'))
Exit: (217) [lists] lists:member_([op(+, =, 'cadr-list')], op(+, =, 'cadr-list'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'cadr-list'), ['next-operation', op(+, =, 'cadr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cadr-list')), op(+, =, 'cadr-list'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'cadr-list'), _217222)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cadr-list'), _217222)
Call: (216) [system] var(op(+, =, 'cadr-list'))
Fail: (216) [system] var(op(+, =, 'cadr-list'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'cadr-list'), _217222)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cadr-list'), _217222)
Call: (216) [system] compound(op(+, =, 'cadr-list'))
Exit: (216) [system] compound(op(+, =, 'cadr-list'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _217222=op(+, =, 'cadr-list')
Exit: (216) [system] op(+, =, 'cadr-list')=op(+, =, 'cadr-list')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'cadr-list'), op(+, =, 'cadr-list'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadr-list')), op(+, =, 'cadr-list'))
^ Call: (214) [user] pfcTraced(op(+, =, 'cadr-list'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'cadr-list'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadr-list')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'cadr-list')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'cadr-list')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_383894)
^ Unify: (212) [user] pfcGetSearch(_383894)
Call: (213) [t_l] t_l:pfcSearchTL(_385744)
Fail: (213) [t_l] t_l:pfcSearchTL(_385744)
^ Redo: (212) [user] pfcGetSearch(_383894)
^ Call: (213) [user] pfcSearch(_388518)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _383894=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadr-list')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'cadr-list')), _412992)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'cadr-list')), _412992)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'cadr-list')), _412992)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadr-list')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'cadr-list'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadr-list'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadr-list'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadr-list'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _423254)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadr-list'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadr-list'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cadr-list')))
Call: (218) [system] is_list(_430750)
Fail: (218) [system] is_list(_430750)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cadr-list')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cadr-list')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cadr-list')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cadr-list')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cadr-list')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'cadr-list')), _438144)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _480806, _480808)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _480806, _480808)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _480806, _480808)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _492048)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _492988)
Call: (224) [system] nonvar(_493846)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _494848)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _495782)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), number_of_clauses(_504976))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), number_of_clauses(_504976))
Call: (224) [system] nonvar(number_of_clauses(_504976))
Exit: (224) [system] nonvar(number_of_clauses(_504976))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_504976), user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_504976), user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _519820), (prolog_current_choice(_519830), push_current_choice(_519830), clause('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _519852), pfc_call(_519852)), nb_setval('$pfc_current_choice', _519820))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _519820), user:(prolog_current_choice(_519830), push_current_choice(_519830), clause('$pt$'('next-operation'(op(+, =, 'cadr-list')), _443736), _519852), pfc_call(_519852)), user:nb_setval('$pfc_current_choice', _519820))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _519820))
Call: (226) [system] nb_current('$pfc_current_choice', _519820)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_3888)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _9166)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cadr-list')), _3872), _3910)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cadr-list')), _3872), _3910)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _17538)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _3878), user:(prolog_current_choice(_3888), push_current_choice(_3888), clause('$pt$'('next-operation'(op(+, =, 'cadr-list')), _3872), _3910), pfc_call(_3910)), user:nb_setval('$pfc_current_choice', _3878))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadr-list')), _3872))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cadr-list')), _3872))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Call: (221) [user] pfc_spft(_32408, _32494, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416))
^ Unify: (221) [user] pfc_spft(_32408, _33426, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416))
^ Call: (222) [user] pfcCallSystem('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Call: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Unify: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (224) [system] var('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Fail: (224) [system] var('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Redo: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Unify: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (224) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Exit: (224) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Unify: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Redo: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Unify: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Call: (224) [user] predicate_property('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (227) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Exit: (227) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Unify: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Call: (224) [user] predicate_property('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (226) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Exit: (226) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _68566, _68568)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _68566, _68568)
Call: (227) [system] compound('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Exit: (227) [system] compound('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (227) [system] compound_name_arity('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _68566, _68568)
Exit: (227) [system] compound_name_arity('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Unify: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Call: (224) [user] predicate_property('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _79808)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _80748)
Call: (225) [system] nonvar(_81606)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _82608)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _83542)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (226) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Exit: (226) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Call: (224) [user] predicate_property('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), number_of_clauses(_92736))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), number_of_clauses(_92736))
Call: (225) [system] nonvar(number_of_clauses(_92736))
Exit: (225) [system] nonvar(number_of_clauses(_92736))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_92736), user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_92736), user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (227) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Exit: (227) [system] callable('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(765), user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), number_of_clauses(765))
^ Unify: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _107580), (prolog_current_choice(_107590), push_current_choice(_107590), clause('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _107612), pfc_call(_107612)), nb_setval('$pfc_current_choice', _107580))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _107580), user:(prolog_current_choice(_107590), push_current_choice(_107590), clause('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _107612), pfc_call(_107612)), user:nb_setval('$pfc_current_choice', _107580))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _107580))
Call: (227) [system] nb_current('$pfc_current_choice', _107580)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_107590)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _116930)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _107612)
^ Fail: (226) [user] clause('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _107612)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _125302)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _107580), user:(prolog_current_choice(_107590), push_current_choice(_107590), clause('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)), _107612), pfc_call(_107612)), user:nb_setval('$pfc_current_choice', _107580))
^ Fail: (223) [user] pfc_call('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_32408, _34286, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416)))
^ Fail: (221) [user] pfc_spft(_32408, _132806, '$nt$'('next-operation'(op(+, =, 'cadr-list')), _32414, _32416))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cadr-list')), 'next-operation'(op(+, =, 'cadr-list'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cadr-list')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cadr-list')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadr-list'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadr-list'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadr-list'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadr-list')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3638, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_3638)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3638, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_3638)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3638, (notrace, wdmsg(('next-operation'(op(+, =, 'cadr-list'))=>_3638)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cadr-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_230332)
Fail: (202) [t_l] t_l:pfcSearchTL(_230332)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_233106)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'cadr-list')), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'cadr-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cadr-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], op(+, =, 'cadr-list')), pfcAdd_Now('next-operation'(op(+, =, 'cadr-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])\=[_254592|_254594]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])\=[_254592|_254594]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]))*->_3422='True';_3422='False'), error(_258330, _258332), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]))*->_3422='True';_3422='False'), error(_258330, _258332), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Call: (204) [user] metta_interp_mode(+, _262046)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Call: (205) [user] metta_interp_mode(load, _266636)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _275858)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_282334, _282336), once(user:is_compatio0), '$restore_trace'(_282334, _282336))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_282334, _282336), system:once(user:is_compatio0), system:'$restore_trace'(_282334, _282336))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_282334, _282336))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_287952, must_det_ll(user:metta_anew(load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])))), (_287952==""->true;our_ansi_format('#ffa505', '~w~n', [_287952]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_287952, must_det_ll(user:metta_anew(load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])))), (_287952==""->true;our_ansi_format('#ffa505', '~w~n', [_287952]))))
(=
(cadr-list $x)
(car-list (cdr-list $x)))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]))*->'True'='True';'True'='False'), error(_258330, _258332), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadr-list', _x], ['car-list', ['cdr-list', _x]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['cddr-list', _319534], ['cdr-list', ['cdr-list', _319534]]], ['_x'=_319534], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1048, 57, 29, 1048))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['cddr-list', _319534], ['cdr-list', ['cdr-list', _319534]]], ['_x'=_319534], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1048, 57, 29, 1048))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_319534])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_319534])
Call: (195) [apply] apply:maplist_(['_x'=_319534], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_319534], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_319534)
Unify: (196) [user] maybe_assign('_x'=_319534)
^ Call: (197) [user] ignore(_319534=_x)
^ Unify: (197) [system] ignore(user:(_319534=_x))
Call: (198) [system] _319534=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422)
Call: (196) [system] var([=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422)
Call: (196) [system] string([=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _399816), pfcAdd_Now('next-operation'(_399816)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _399816), pfcAdd_Now('next-operation'(_399816)))
Call: (197) [user] into_simple_op(+, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _399816)
Unify: (197) [user] into_simple_op(+, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], op(+, =, _402608))
Call: (198) [user] o_s([['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _402608)
Unify: (198) [user] o_s([['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], _402608)
Call: (199) [user] o_s(['cddr-list', _x], _402608)
Unify: (199) [user] o_s(['cddr-list', _x], _402608)
Call: (200) [user] o_s('cddr-list', _402608)
Unify: (200) [user] o_s('cddr-list', 'cddr-list')
Exit: (200) [user] o_s('cddr-list', 'cddr-list')
Exit: (199) [user] o_s(['cddr-list', _x], 'cddr-list')
Exit: (198) [user] o_s([['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], 'cddr-list')
Exit: (197) [user] into_simple_op(+, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], op(+, =, 'cddr-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cddr-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cddr-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cddr-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cddr-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cddr-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'cddr-list')))
^ Call: (199) [user] must_ex(current_why_UU(_423826))
^ Unify: (199) [user] must_ex(current_why_UU(_423826))
Call: (201) [user] current_why_UU(_423826)
Unify: (201) [user] current_why_UU(_423826)
^ Call: (202) [user] get_why_uu(_423826)
^ Unify: (202) [user] get_why_uu(_423826)
^ Call: (203) [user] findall(_429366, current_why(_429366), _429372)
^ Unify: (203) [$bags] findall(_429366, user:current_why(_429366), _429372)
^ Call: (204) [$bags] findall(_429366, user:current_why(_429366), _429372, [])
^ Unify: (204) [$bags] findall(_429366, user:current_why(_429366), _429372, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_429366, user:current_why(_429366), _429372, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_429366, user:current_why(_429366), _429372, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_429366, user:current_why(_429366), _429372, [])
Unify: (206) [$bags] findall_loop(_429366, user:current_why(_429366), _429372, [])
^ Call: (207) [user] bugger:current_why(_429366)
^ Unify: (207) [user] bugger:current_why(_429366)
^ Call: (208) [user] bugger:current_why_data(_429366)
^ Unify: (208) [user] bugger:current_why_data(_429366)
Call: (209) [system] nb_current('$current_why', wp(_429366, _440626))
Fail: (209) [system] nb_current('$current_why', wp(_429366, _440626))
^ Redo: (208) [user] bugger:current_why_data(_429366)
^ Unify: (208) [user] bugger:current_why_data(_429366)
Call: (209) [t_l] t_l:current_why_source(_429366)
Fail: (209) [t_l] t_l:current_why_source(_429366)
^ Fail: (208) [user] bugger:current_why_data(_429366)
^ Redo: (207) [user] bugger:current_why(_429366)
^ Unify: (207) [user] bugger:current_why(mfl4(_448054, _448056, _448058, _448060))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_449010, _449012), once(user:current_mfl4(_448054, _448056, _448058, _448060)), '$restore_trace'(_449010, _449012))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_449010, _449012), system:once(user:current_mfl4(_448054, _448056, _448058, _448060)), system:'$restore_trace'(_449010, _449012))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_449010, _449012))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_448054, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_448054, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_429366, user:current_why(_429366), _429372, [])
Exit: (206) [$bags] findall_loop(_429366, user:current_why(_429366), [P;HTML|mfl4(_465872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_429366, user:current_why(_429366), [P;HTML|mfl4(_465872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_429366, user:current_why(_429366), [P;HTML|mfl4(_465872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_429366, user:current_why(_429366), [P;HTML|mfl4(_465872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_465872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_465872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_465872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _423826)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_465872, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3598)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_66810, _66812)
Fail: (204) [system] [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_66810, _66812)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3598)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3598)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _97236)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _97236)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _97236)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _97236)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _97236)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _97236)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _97236)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _97236)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _97236)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_460704, _460706)
Fail: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_460704, _460706)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cddr-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cddr-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'cddr-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'cddr-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cddr-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'cddr-list')), _100774)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'cddr-list')), _100774)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'cddr-list')), _100774)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _120610, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_120610)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _120610, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_120610)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _120610, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_120610)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _120610, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_120610)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _151132)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _120610, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_120610)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _120610, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_120610)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cddr-list')), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cddr-list')), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cddr-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cddr-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cddr-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cddr-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'cddr-list')), _251784, _251786)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'cddr-list')), user, 'next-operation'(op(+, =, 'cddr-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cddr-list')), true)
Call: (212) [system] _255528=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cddr-list')), true, _257398)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cddr-list')), true, _257398)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cddr-list')), true, _260226)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cddr-list')), true, _260226)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cddr-list')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cddr-list')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cddr-list')));assert('next-operation'(op(+, =, 'cddr-list'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cddr-list')));assert('next-operation'(op(+, =, 'cddr-list'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cddr-list')));assert('next-operation'(op(+, =, 'cddr-list')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cddr-list')));assert('next-operation'(op(+, =, 'cddr-list')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cddr-list')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'cddr-list')), _287576, _287578)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'cddr-list')), user, 'next-operation'(op(+, =, 'cddr-list')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cddr-list')), _289456, _289458)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'cddr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cddr-list')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cddr-list')), _289456, _289458)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cddr-list')), true)
Call: (215) [system] _297862=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cddr-list')), true, _299732)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cddr-list')), true, _299732)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cddr-list')), true, _302560)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cddr-list')), true, _302560)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cddr-list')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cddr-list')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'cddr-list')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'cddr-list')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cddr-list')));assert('next-operation'(op(+, =, 'cddr-list')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cddr-list')));assert('next-operation'(op(+, =, 'cddr-list'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cddr-list')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cddr-list')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _359350)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _359350)
Call: (216) [system] var('next-operation'(op(+, =, 'cddr-list')))
Fail: (216) [system] var('next-operation'(op(+, =, 'cddr-list')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _359350)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _359350)
Call: (216) [system] compound('next-operation'(op(+, =, 'cddr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cddr-list')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _359350)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _359350)
Call: (216) [system] _370502 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), _372360)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), _372360)
Call: (217) [system] is_list('next-operation'(op(+, =, 'cddr-list')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'cddr-list')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), _372360)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), _372360)
Call: (217) [system] compound('next-operation'(op(+, =, 'cddr-list')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'cddr-list')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cddr-list')), _379770, _379772)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cddr-list')), 'next-operation', [op(+, =, 'cddr-list')])
Call: (217) [lists] lists:member(_372360, ['next-operation', op(+, =, 'cddr-list')])
Unify: (217) [lists] lists:member(_372360, ['next-operation', op(+, =, 'cddr-list')])
Call: (218) [lists] lists:member_([op(+, =, 'cddr-list')], _372360, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cddr-list')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'cddr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cddr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _359350)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _359350)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _359350)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _359350)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _359350)
Call: (217) [system] _359350='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'cddr-list')], _372360, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cddr-list')], _372360, 'next-operation')
Call: (219) [lists] lists:member_([], _372360, op(+, =, 'cddr-list'))
Unify: (219) [lists] lists:member_([], op(+, =, 'cddr-list'), op(+, =, 'cddr-list'))
Exit: (219) [lists] lists:member_([], op(+, =, 'cddr-list'), op(+, =, 'cddr-list'))
Exit: (218) [lists] lists:member_([op(+, =, 'cddr-list')], op(+, =, 'cddr-list'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'cddr-list'), ['next-operation', op(+, =, 'cddr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), op(+, =, 'cddr-list'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'cddr-list'), _359350)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cddr-list'), _359350)
Call: (217) [system] var(op(+, =, 'cddr-list'))
Fail: (217) [system] var(op(+, =, 'cddr-list'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'cddr-list'), _359350)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cddr-list'), _359350)
Call: (217) [system] compound(op(+, =, 'cddr-list'))
Exit: (217) [system] compound(op(+, =, 'cddr-list'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _359350=op(+, =, 'cddr-list')
Exit: (217) [system] op(+, =, 'cddr-list')=op(+, =, 'cddr-list')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'cddr-list'), op(+, =, 'cddr-list'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), op(+, =, 'cddr-list'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'cddr-list'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'cddr-list'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cddr-list')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cddr-list')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _427150)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _427150)
Call: (215) [system] var('next-operation'(op(+, =, 'cddr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cddr-list')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _427150)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _427150)
Call: (215) [system] compound('next-operation'(op(+, =, 'cddr-list')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'cddr-list')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _427150)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), _427150)
Call: (215) [system] _438302 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), _440160)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), _440160)
Call: (216) [system] is_list('next-operation'(op(+, =, 'cddr-list')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'cddr-list')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), _440160)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), _440160)
Call: (216) [system] compound('next-operation'(op(+, =, 'cddr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cddr-list')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cddr-list')), _447570, _447572)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cddr-list')), 'next-operation', [op(+, =, 'cddr-list')])
Call: (216) [lists] lists:member(_440160, ['next-operation', op(+, =, 'cddr-list')])
Unify: (216) [lists] lists:member(_440160, ['next-operation', op(+, =, 'cddr-list')])
Call: (217) [lists] lists:member_([op(+, =, 'cddr-list')], _440160, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cddr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'cddr-list')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cddr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _427150)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _427150)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _427150)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _427150)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _427150)
Call: (216) [system] _427150='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'cddr-list')], _440160, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cddr-list')], _440160, 'next-operation')
Call: (218) [lists] lists:member_([], _440160, op(+, =, 'cddr-list'))
Unify: (218) [lists] lists:member_([], op(+, =, 'cddr-list'), op(+, =, 'cddr-list'))
Exit: (218) [lists] lists:member_([], op(+, =, 'cddr-list'), op(+, =, 'cddr-list'))
Exit: (217) [lists] lists:member_([op(+, =, 'cddr-list')], op(+, =, 'cddr-list'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'cddr-list'), ['next-operation', op(+, =, 'cddr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cddr-list')), op(+, =, 'cddr-list'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'cddr-list'), _427150)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cddr-list'), _427150)
Call: (216) [system] var(op(+, =, 'cddr-list'))
Fail: (216) [system] var(op(+, =, 'cddr-list'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'cddr-list'), _427150)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cddr-list'), _427150)
Call: (216) [system] compound(op(+, =, 'cddr-list'))
Exit: (216) [system] compound(op(+, =, 'cddr-list'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _427150=op(+, =, 'cddr-list')
Exit: (216) [system] op(+, =, 'cddr-list')=op(+, =, 'cddr-list')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'cddr-list'), op(+, =, 'cddr-list'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cddr-list')), op(+, =, 'cddr-list'))
^ Call: (214) [user] pfcTraced(op(+, =, 'cddr-list'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'cddr-list'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cddr-list')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'cddr-list')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'cddr-list')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_76000)
^ Unify: (212) [user] pfcGetSearch(_76000)
Call: (213) [t_l] t_l:pfcSearchTL(_77850)
Fail: (213) [t_l] t_l:pfcSearchTL(_77850)
^ Redo: (212) [user] pfcGetSearch(_76000)
^ Call: (213) [user] pfcSearch(_80624)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _76000=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cddr-list')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'cddr-list')), _105098)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'cddr-list')), _105098)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'cddr-list')), _105098)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cddr-list')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'cddr-list'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cddr-list'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cddr-list'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cddr-list'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _115360)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cddr-list'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cddr-list'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cddr-list')))
Call: (218) [system] is_list(_122856)
Fail: (218) [system] is_list(_122856)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cddr-list')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cddr-list')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cddr-list')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cddr-list')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cddr-list')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'cddr-list')), _130250)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _172912, _172914)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _172912, _172914)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _172912, _172914)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _184154)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _185094)
Call: (224) [system] nonvar(_185952)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _186954)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _187888)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), number_of_clauses(_197082))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), number_of_clauses(_197082))
Call: (224) [system] nonvar(number_of_clauses(_197082))
Exit: (224) [system] nonvar(number_of_clauses(_197082))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_197082), user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_197082), user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _211926), (prolog_current_choice(_211936), push_current_choice(_211936), clause('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _211958), pfc_call(_211958)), nb_setval('$pfc_current_choice', _211926))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _211926), user:(prolog_current_choice(_211936), push_current_choice(_211936), clause('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _211958), pfc_call(_211958)), user:nb_setval('$pfc_current_choice', _211926))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _211926))
Call: (226) [system] nb_current('$pfc_current_choice', _211926)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_211936)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _221276)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _211958)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _211958)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _229648)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _211926), user:(prolog_current_choice(_211936), push_current_choice(_211936), clause('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842), _211958), pfc_call(_211958)), user:nb_setval('$pfc_current_choice', _211926))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cddr-list')), _135842))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Call: (221) [user] pfc_spft(_244518, _244604, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526))
^ Unify: (221) [user] pfc_spft(_244518, _245536, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526))
^ Call: (222) [user] pfcCallSystem('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Call: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Unify: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (224) [system] var('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Fail: (224) [system] var('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Redo: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Unify: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (224) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Exit: (224) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Unify: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Redo: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Unify: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Call: (224) [user] predicate_property('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (227) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Exit: (227) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Unify: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Call: (224) [user] predicate_property('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (226) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Exit: (226) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _280676, _280678)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _280676, _280678)
Call: (227) [system] compound('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Exit: (227) [system] compound('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (227) [system] compound_name_arity('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _280676, _280678)
Exit: (227) [system] compound_name_arity('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Unify: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Call: (224) [user] predicate_property('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _291918)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _292858)
Call: (225) [system] nonvar(_293716)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _294718)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _295652)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (226) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Exit: (226) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Call: (224) [user] predicate_property('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), number_of_clauses(_304846))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), number_of_clauses(_304846))
Call: (225) [system] nonvar(number_of_clauses(_304846))
Exit: (225) [system] nonvar(number_of_clauses(_304846))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_304846), user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_304846), user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (227) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Exit: (227) [system] callable('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(767), user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), number_of_clauses(767))
^ Unify: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _319690), (prolog_current_choice(_319700), push_current_choice(_319700), clause('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _319722), pfc_call(_319722)), nb_setval('$pfc_current_choice', _319690))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _319690), user:(prolog_current_choice(_319700), push_current_choice(_319700), clause('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _319722), pfc_call(_319722)), user:nb_setval('$pfc_current_choice', _319690))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _319690))
Call: (227) [system] nb_current('$pfc_current_choice', _319690)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_319700)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _329040)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _319722)
^ Fail: (226) [user] clause('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _319722)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _337412)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _319690), user:(prolog_current_choice(_319700), push_current_choice(_319700), clause('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)), _319722), pfc_call(_319722)), user:nb_setval('$pfc_current_choice', _319690))
^ Fail: (223) [user] pfc_call('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_244518, _246396, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526)))
^ Fail: (221) [user] pfc_spft(_244518, _344916, '$nt$'('next-operation'(op(+, =, 'cddr-list')), _244524, _244526))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cddr-list')), 'next-operation'(op(+, =, 'cddr-list'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cddr-list')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cddr-list')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cddr-list'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cddr-list'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cddr-list'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'cddr-list')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_3624)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_3624)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'cddr-list'))=>_3624)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cddr-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_442442)
Fail: (202) [t_l] t_l:pfcSearchTL(_442442)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_445216)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'cddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'cddr-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cddr-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], op(+, =, 'cddr-list')), pfcAdd_Now('next-operation'(op(+, =, 'cddr-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])\=[_466702|_466704]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])\=[_466702|_466704]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]))*->_3422='True';_3422='False'), error(_470440, _470442), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]))*->_3422='True';_3422='False'), error(_470440, _470442), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Call: (204) [user] metta_interp_mode(+, _474156)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Call: (205) [user] metta_interp_mode(load, _478746)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _487968)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_494444, _494446), once(user:is_compatio0), '$restore_trace'(_494444, _494446))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_494444, _494446), system:once(user:is_compatio0), system:'$restore_trace'(_494444, _494446))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_494444, _494446))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_500062, must_det_ll(user:metta_anew(load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])))), (_500062==""->true;our_ansi_format('#ffa505', '~w~n', [_500062]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_500062, must_det_ll(user:metta_anew(load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])))), (_500062==""->true;our_ansi_format('#ffa505', '~w~n', [_500062]))))
(=
(cddr-list $x)
(cdr-list (cdr-list $x)))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], metta_atom('&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]))*->'True'='True';'True'='False'), error(_470440, _470442), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cddr-list', _x], ['cdr-list', ['cdr-list', _x]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['caddr-list', _11660], ['car-list', ['cddr-list', _11660]]], ['_x'=_11660], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1097, 60, 29, 1097))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['caddr-list', _11660], ['car-list', ['cddr-list', _11660]]], ['_x'=_11660], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1097, 60, 29, 1097))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_11660])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_11660])
Call: (195) [apply] apply:maplist_(['_x'=_11660], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_11660], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_11660)
Unify: (196) [user] maybe_assign('_x'=_11660)
^ Call: (197) [user] ignore(_11660=_x)
^ Unify: (197) [system] ignore(user:(_11660=_x))
Call: (198) [system] _11660=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422)
Call: (196) [system] var([=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422)
Call: (196) [system] string([=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _91942), pfcAdd_Now('next-operation'(_91942)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _91942), pfcAdd_Now('next-operation'(_91942)))
Call: (197) [user] into_simple_op(+, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _91942)
Unify: (197) [user] into_simple_op(+, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], op(+, =, _94734))
Call: (198) [user] o_s([['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _94734)
Unify: (198) [user] o_s([['caddr-list', _x], ['car-list', ['cddr-list', _x]]], _94734)
Call: (199) [user] o_s(['caddr-list', _x], _94734)
Unify: (199) [user] o_s(['caddr-list', _x], _94734)
Call: (200) [user] o_s('caddr-list', _94734)
Unify: (200) [user] o_s('caddr-list', 'caddr-list')
Exit: (200) [user] o_s('caddr-list', 'caddr-list')
Exit: (199) [user] o_s(['caddr-list', _x], 'caddr-list')
Exit: (198) [user] o_s([['caddr-list', _x], ['car-list', ['cddr-list', _x]]], 'caddr-list')
Exit: (197) [user] into_simple_op(+, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], op(+, =, 'caddr-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'caddr-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'caddr-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'caddr-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'caddr-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'caddr-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'caddr-list')))
^ Call: (199) [user] must_ex(current_why_UU(_115952))
^ Unify: (199) [user] must_ex(current_why_UU(_115952))
Call: (201) [user] current_why_UU(_115952)
Unify: (201) [user] current_why_UU(_115952)
^ Call: (202) [user] get_why_uu(_115952)
^ Unify: (202) [user] get_why_uu(_115952)
^ Call: (203) [user] findall(_121492, current_why(_121492), _121498)
^ Unify: (203) [$bags] findall(_121492, user:current_why(_121492), _121498)
^ Call: (204) [$bags] findall(_121492, user:current_why(_121492), _121498, [])
^ Unify: (204) [$bags] findall(_121492, user:current_why(_121492), _121498, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_121492, user:current_why(_121492), _121498, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_121492, user:current_why(_121492), _121498, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_121492, user:current_why(_121492), _121498, [])
Unify: (206) [$bags] findall_loop(_121492, user:current_why(_121492), _121498, [])
^ Call: (207) [user] bugger:current_why(_121492)
^ Unify: (207) [user] bugger:current_why(_121492)
^ Call: (208) [user] bugger:current_why_data(_121492)
^ Unify: (208) [user] bugger:current_why_data(_121492)
Call: (209) [system] nb_current('$current_why', wp(_121492, _132752))
Fail: (209) [system] nb_current('$current_why', wp(_121492, _132752))
^ Redo: (208) [user] bugger:current_why_data(_121492)
^ Unify: (208) [user] bugger:current_why_data(_121492)
Call: (209) [t_l] t_l:current_why_source(_121492)
Fail: (209) [t_l] t_l:current_why_source(_121492)
^ Fail: (208) [user] bugger:current_why_data(_121492)
^ Redo: (207) [user] bugger:current_why(_121492)
^ Unify: (207) [user] bugger:current_why(mfl4(_140180, _140182, _140184, _140186))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_141136, _141138), once(user:current_mfl4(_140180, _140182, _140184, _140186)), '$restore_trace'(_141136, _141138))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_141136, _141138), system:once(user:current_mfl4(_140180, _140182, _140184, _140186)), system:'$restore_trace'(_141136, _141138))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_141136, _141138))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_140180, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_140180, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_121492, user:current_why(_121492), _121498, [])
Exit: (206) [$bags] findall_loop(_121492, user:current_why(_121492), [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_121492, user:current_why(_121492), [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_121492, user:current_why(_121492), [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_121492, user:current_why(_121492), [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _115952)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _115952)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_277882, _277884)
Fail: (204) [system] [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_277882, _277884)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _115952)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _115952)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _308316)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _308316)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _308316)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _308316)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _308316)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _308316)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _308316)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _308316)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_157998, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3644)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_153480, _153482)
Fail: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_153480, _153482)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'caddr-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'caddr-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'caddr-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'caddr-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'caddr-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'caddr-list')), _312214)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'caddr-list')), _312214)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'caddr-list')), _312214)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _332050, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_332050)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _332050, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_332050)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _332050, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_332050)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _332050, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_332050)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _362572)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _332050, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_332050)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _332050, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_332050)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'caddr-list')), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'caddr-list')), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'caddr-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'caddr-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'caddr-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'caddr-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'caddr-list')), _463224, _463226)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'caddr-list')), user, 'next-operation'(op(+, =, 'caddr-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'caddr-list')), true)
Call: (212) [system] _466968=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'caddr-list')), true, _468838)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'caddr-list')), true, _468838)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'caddr-list')), true, _471666)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'caddr-list')), true, _471666)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'caddr-list')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'caddr-list')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'caddr-list')));assert('next-operation'(op(+, =, 'caddr-list'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'caddr-list')));assert('next-operation'(op(+, =, 'caddr-list'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'caddr-list')));assert('next-operation'(op(+, =, 'caddr-list')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'caddr-list')));assert('next-operation'(op(+, =, 'caddr-list')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'caddr-list')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'caddr-list')), _499016, _499018)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'caddr-list')), user, 'next-operation'(op(+, =, 'caddr-list')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'caddr-list')), _500896, _500898)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'caddr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'caddr-list')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'caddr-list')), _500896, _500898)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'caddr-list')), true)
Call: (215) [system] _509302=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'caddr-list')), true, _511172)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'caddr-list')), true, _511172)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'caddr-list')), true, _514000)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'caddr-list')), true, _514000)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'caddr-list')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'caddr-list')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'caddr-list')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'caddr-list')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'caddr-list')));assert('next-operation'(op(+, =, 'caddr-list')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'caddr-list')));assert('next-operation'(op(+, =, 'caddr-list'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'caddr-list')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'caddr-list')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _51280)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _51280)
Call: (216) [system] var('next-operation'(op(+, =, 'caddr-list')))
Fail: (216) [system] var('next-operation'(op(+, =, 'caddr-list')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _51280)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _51280)
Call: (216) [system] compound('next-operation'(op(+, =, 'caddr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'caddr-list')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _51280)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _51280)
Call: (216) [system] _62432 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), _64290)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), _64290)
Call: (217) [system] is_list('next-operation'(op(+, =, 'caddr-list')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'caddr-list')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), _64290)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), _64290)
Call: (217) [system] compound('next-operation'(op(+, =, 'caddr-list')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'caddr-list')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'caddr-list')), _71700, _71702)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'caddr-list')), 'next-operation', [op(+, =, 'caddr-list')])
Call: (217) [lists] lists:member(_64290, ['next-operation', op(+, =, 'caddr-list')])
Unify: (217) [lists] lists:member(_64290, ['next-operation', op(+, =, 'caddr-list')])
Call: (218) [lists] lists:member_([op(+, =, 'caddr-list')], _64290, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'caddr-list')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'caddr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'caddr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _51280)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _51280)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _51280)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _51280)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _51280)
Call: (217) [system] _51280='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'caddr-list')], _64290, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'caddr-list')], _64290, 'next-operation')
Call: (219) [lists] lists:member_([], _64290, op(+, =, 'caddr-list'))
Unify: (219) [lists] lists:member_([], op(+, =, 'caddr-list'), op(+, =, 'caddr-list'))
Exit: (219) [lists] lists:member_([], op(+, =, 'caddr-list'), op(+, =, 'caddr-list'))
Exit: (218) [lists] lists:member_([op(+, =, 'caddr-list')], op(+, =, 'caddr-list'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'caddr-list'), ['next-operation', op(+, =, 'caddr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), op(+, =, 'caddr-list'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'caddr-list'), _51280)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'caddr-list'), _51280)
Call: (217) [system] var(op(+, =, 'caddr-list'))
Fail: (217) [system] var(op(+, =, 'caddr-list'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'caddr-list'), _51280)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'caddr-list'), _51280)
Call: (217) [system] compound(op(+, =, 'caddr-list'))
Exit: (217) [system] compound(op(+, =, 'caddr-list'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _51280=op(+, =, 'caddr-list')
Exit: (217) [system] op(+, =, 'caddr-list')=op(+, =, 'caddr-list')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'caddr-list'), op(+, =, 'caddr-list'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), op(+, =, 'caddr-list'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'caddr-list'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'caddr-list'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'caddr-list')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'caddr-list')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _119080)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _119080)
Call: (215) [system] var('next-operation'(op(+, =, 'caddr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'caddr-list')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _119080)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _119080)
Call: (215) [system] compound('next-operation'(op(+, =, 'caddr-list')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'caddr-list')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _119080)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), _119080)
Call: (215) [system] _130232 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), _132090)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), _132090)
Call: (216) [system] is_list('next-operation'(op(+, =, 'caddr-list')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'caddr-list')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), _132090)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), _132090)
Call: (216) [system] compound('next-operation'(op(+, =, 'caddr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'caddr-list')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'caddr-list')), _139500, _139502)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'caddr-list')), 'next-operation', [op(+, =, 'caddr-list')])
Call: (216) [lists] lists:member(_132090, ['next-operation', op(+, =, 'caddr-list')])
Unify: (216) [lists] lists:member(_132090, ['next-operation', op(+, =, 'caddr-list')])
Call: (217) [lists] lists:member_([op(+, =, 'caddr-list')], _132090, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'caddr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'caddr-list')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'caddr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _119080)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _119080)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _119080)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _119080)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _119080)
Call: (216) [system] _119080='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'caddr-list')], _132090, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'caddr-list')], _132090, 'next-operation')
Call: (218) [lists] lists:member_([], _132090, op(+, =, 'caddr-list'))
Unify: (218) [lists] lists:member_([], op(+, =, 'caddr-list'), op(+, =, 'caddr-list'))
Exit: (218) [lists] lists:member_([], op(+, =, 'caddr-list'), op(+, =, 'caddr-list'))
Exit: (217) [lists] lists:member_([op(+, =, 'caddr-list')], op(+, =, 'caddr-list'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'caddr-list'), ['next-operation', op(+, =, 'caddr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'caddr-list')), op(+, =, 'caddr-list'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'caddr-list'), _119080)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'caddr-list'), _119080)
Call: (216) [system] var(op(+, =, 'caddr-list'))
Fail: (216) [system] var(op(+, =, 'caddr-list'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'caddr-list'), _119080)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'caddr-list'), _119080)
Call: (216) [system] compound(op(+, =, 'caddr-list'))
Exit: (216) [system] compound(op(+, =, 'caddr-list'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _119080=op(+, =, 'caddr-list')
Exit: (216) [system] op(+, =, 'caddr-list')=op(+, =, 'caddr-list')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'caddr-list'), op(+, =, 'caddr-list'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'caddr-list')), op(+, =, 'caddr-list'))
^ Call: (214) [user] pfcTraced(op(+, =, 'caddr-list'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'caddr-list'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'caddr-list')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'caddr-list')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'caddr-list')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_285752)
^ Unify: (212) [user] pfcGetSearch(_285752)
Call: (213) [t_l] t_l:pfcSearchTL(_287602)
Fail: (213) [t_l] t_l:pfcSearchTL(_287602)
^ Redo: (212) [user] pfcGetSearch(_285752)
^ Call: (213) [user] pfcSearch(_290376)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _285752=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'caddr-list')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'caddr-list')), _314850)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'caddr-list')), _314850)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'caddr-list')), _314850)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'caddr-list')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'caddr-list'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'caddr-list'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'caddr-list'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'caddr-list'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _325112)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'caddr-list'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'caddr-list'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'caddr-list')))
Call: (218) [system] is_list(_332608)
Fail: (218) [system] is_list(_332608)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'caddr-list')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'caddr-list')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'caddr-list')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'caddr-list')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'caddr-list')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'caddr-list')), _340002)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _382664, _382666)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _382664, _382666)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _382664, _382666)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _393906)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _394846)
Call: (224) [system] nonvar(_395704)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _396706)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _397640)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), number_of_clauses(_406834))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), number_of_clauses(_406834))
Call: (224) [system] nonvar(number_of_clauses(_406834))
Exit: (224) [system] nonvar(number_of_clauses(_406834))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_406834), user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_406834), user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _421678), (prolog_current_choice(_421688), push_current_choice(_421688), clause('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _421710), pfc_call(_421710)), nb_setval('$pfc_current_choice', _421678))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _421678), user:(prolog_current_choice(_421688), push_current_choice(_421688), clause('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _421710), pfc_call(_421710)), user:nb_setval('$pfc_current_choice', _421678))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _421678))
Call: (226) [system] nb_current('$pfc_current_choice', _421678)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_421688)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _431028)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _421710)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _421710)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _439400)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _421678), user:(prolog_current_choice(_421688), push_current_choice(_421688), clause('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594), _421710), pfc_call(_421710)), user:nb_setval('$pfc_current_choice', _421678))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'caddr-list')), _345594))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Call: (221) [user] pfc_spft(_454270, _454356, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278))
^ Unify: (221) [user] pfc_spft(_454270, _455288, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278))
^ Call: (222) [user] pfcCallSystem('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Call: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Unify: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (224) [system] var('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Fail: (224) [system] var('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Redo: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Unify: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (224) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Exit: (224) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Unify: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Redo: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Unify: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Call: (224) [user] predicate_property('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (227) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Exit: (227) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Unify: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Call: (224) [user] predicate_property('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (226) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Exit: (226) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), _490428, _490430)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), _490428, _490430)
Call: (227) [system] compound('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Exit: (227) [system] compound('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (227) [system] compound_name_arity('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), _490428, _490430)
Exit: (227) [system] compound_name_arity('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Unify: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Call: (224) [user] predicate_property('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), _501670)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), _502610)
Call: (225) [system] nonvar(_503468)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), _504470)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), _505404)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (226) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Exit: (226) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
^ Call: (224) [user] predicate_property('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), number_of_clauses(_514598))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)), number_of_clauses(_514598))
Call: (225) [system] nonvar(number_of_clauses(_514598))
Exit: (225) [system] nonvar(number_of_clauses(_514598))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_514598), user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_514598), user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (227) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Exit: (227) [system] callable('$spft$'(_454270, _456148, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _454276, _454278)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(769), user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)), number_of_clauses(769))
^ Unify: (223) [user] pfc_call('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _9316), (prolog_current_choice(_9326), push_current_choice(_9326), clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)), _9348), pfc_call(_9348)), nb_setval('$pfc_current_choice', _9316))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _9316), user:(prolog_current_choice(_9326), push_current_choice(_9326), clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)), _9348), pfc_call(_9348)), user:nb_setval('$pfc_current_choice', _9316))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _9316))
Call: (227) [system] nb_current('$pfc_current_choice', _9316)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_9326)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _18666)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)), _9348)
^ Fail: (226) [user] clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)), _9348)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _27038)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _9316), user:(prolog_current_choice(_9326), push_current_choice(_9326), clause('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)), _9348), pfc_call(_9348)), user:nb_setval('$pfc_current_choice', _9316))
^ Fail: (223) [user] pfc_call('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_3854, _3868, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862)))
^ Fail: (221) [user] pfc_spft(_3854, _34542, '$nt$'('next-operation'(op(+, =, 'caddr-list')), _3860, _3862))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'caddr-list')), 'next-operation'(op(+, =, 'caddr-list'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'caddr-list')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'caddr-list')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'caddr-list'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'caddr-list'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'caddr-list'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'caddr-list')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_3624)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_3624)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'caddr-list'))=>_3624)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'caddr-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_132068)
Fail: (202) [t_l] t_l:pfcSearchTL(_132068)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_134842)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'caddr-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'caddr-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'caddr-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], op(+, =, 'caddr-list')), pfcAdd_Now('next-operation'(op(+, =, 'caddr-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])\=[_156328|_156330]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])\=[_156328|_156330]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]))*->_3422='True';_3422='False'), error(_160066, _160068), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]))*->_3422='True';_3422='False'), error(_160066, _160068), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Call: (204) [user] metta_interp_mode(+, _163782)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Call: (205) [user] metta_interp_mode(load, _168372)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _177594)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], metta_atom('&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], metta_atom('&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_184070, _184072), once(user:is_compatio0), '$restore_trace'(_184070, _184072))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_184070, _184072), system:once(user:is_compatio0), system:'$restore_trace'(_184070, _184072))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_184070, _184072))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], metta_atom('&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], metta_atom('&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_189688, must_det_ll(user:metta_anew(load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], metta_atom('&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])))), (_189688==""->true;our_ansi_format('#ffa505', '~w~n', [_189688]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_189688, must_det_ll(user:metta_anew(load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], metta_atom('&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])))), (_189688==""->true;our_ansi_format('#ffa505', '~w~n', [_189688]))))
(=
(caddr-list $x)
(car-list (cddr-list $x)))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], metta_atom('&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], metta_atom('&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]))*->'True'='True';'True'='False'), error(_160066, _160068), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['caddr-list', _x], ['car-list', ['cddr-list', _x]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['cadddr-list', _221270], ['car-list', ['cdr-list', ['cddr-list', _221270]]]], ['_x'=_221270], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1148, 63, 30, 1148))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['cadddr-list', _221270], ['car-list', ['cdr-list', ['cddr-list', _221270]]]], ['_x'=_221270], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1148, 63, 30, 1148))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_221270])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_221270])
Call: (195) [apply] apply:maplist_(['_x'=_221270], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_221270], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_221270)
Unify: (196) [user] maybe_assign('_x'=_221270)
^ Call: (197) [user] ignore(_221270=_x)
^ Unify: (197) [system] ignore(user:(_221270=_x))
Call: (198) [system] _221270=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422)
Call: (196) [system] var([=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422)
Call: (196) [system] string([=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _301564), pfcAdd_Now('next-operation'(_301564)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _301564), pfcAdd_Now('next-operation'(_301564)))
Call: (197) [user] into_simple_op(+, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _301564)
Unify: (197) [user] into_simple_op(+, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], op(+, =, _304356))
Call: (198) [user] o_s([['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _304356)
Unify: (198) [user] o_s([['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], _304356)
Call: (199) [user] o_s(['cadddr-list', _x], _304356)
Unify: (199) [user] o_s(['cadddr-list', _x], _304356)
Call: (200) [user] o_s('cadddr-list', _304356)
Unify: (200) [user] o_s('cadddr-list', 'cadddr-list')
Exit: (200) [user] o_s('cadddr-list', 'cadddr-list')
Exit: (199) [user] o_s(['cadddr-list', _x], 'cadddr-list')
Exit: (198) [user] o_s([['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], 'cadddr-list')
Exit: (197) [user] into_simple_op(+, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], op(+, =, 'cadddr-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cadddr-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cadddr-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cadddr-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cadddr-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (199) [user] must_ex(current_why_UU(_325574))
^ Unify: (199) [user] must_ex(current_why_UU(_325574))
Call: (201) [user] current_why_UU(_325574)
Unify: (201) [user] current_why_UU(_325574)
^ Call: (202) [user] get_why_uu(_325574)
^ Unify: (202) [user] get_why_uu(_325574)
^ Call: (203) [user] findall(_331114, current_why(_331114), _331120)
^ Unify: (203) [$bags] findall(_331114, user:current_why(_331114), _331120)
^ Call: (204) [$bags] findall(_331114, user:current_why(_331114), _331120, [])
^ Unify: (204) [$bags] findall(_331114, user:current_why(_331114), _331120, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_331114, user:current_why(_331114), _331120, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_331114, user:current_why(_331114), _331120, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_331114, user:current_why(_331114), _331120, [])
Unify: (206) [$bags] findall_loop(_331114, user:current_why(_331114), _331120, [])
^ Call: (207) [user] bugger:current_why(_331114)
^ Unify: (207) [user] bugger:current_why(_331114)
^ Call: (208) [user] bugger:current_why_data(_331114)
^ Unify: (208) [user] bugger:current_why_data(_331114)
Call: (209) [system] nb_current('$current_why', wp(_331114, _342374))
Fail: (209) [system] nb_current('$current_why', wp(_331114, _342374))
^ Redo: (208) [user] bugger:current_why_data(_331114)
^ Unify: (208) [user] bugger:current_why_data(_331114)
Call: (209) [t_l] t_l:current_why_source(_331114)
Fail: (209) [t_l] t_l:current_why_source(_331114)
^ Fail: (208) [user] bugger:current_why_data(_331114)
^ Redo: (207) [user] bugger:current_why(_331114)
^ Unify: (207) [user] bugger:current_why(mfl4(_349802, _349804, _349806, _349808))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_350758, _350760), once(user:current_mfl4(_349802, _349804, _349806, _349808)), '$restore_trace'(_350758, _350760))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_350758, _350760), system:once(user:current_mfl4(_349802, _349804, _349806, _349808)), system:'$restore_trace'(_350758, _350760))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_350758, _350760))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_349802, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_349802, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_331114, user:current_why(_331114), _331120, [])
Exit: (206) [$bags] findall_loop(_331114, user:current_why(_331114), [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_331114, user:current_why(_331114), [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_331114, user:current_why(_331114), [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_331114, user:current_why(_331114), [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _325574)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _325574)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_487504, _487506)
Fail: (204) [system] [P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_487504, _487506)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _325574)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _325574)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_367620, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3610)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3610)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_363108, _363110)
Fail: (205) [system] P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_363108, _363110)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3610)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cadddr-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'cadddr-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'cadddr-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cadddr-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3636, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'cadddr-list')), _521842)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'cadddr-list')), _521842)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'cadddr-list')), _3626)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _21356, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_21356)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _21356, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_21356)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _21356, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_21356)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _21356, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_21356)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _51878)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _21356, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_21356)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _21356, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_21356)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cadddr-list')), P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cadddr-list')), P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadddr-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'cadddr-list')), _152530, _152532)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'cadddr-list')), user, 'next-operation'(op(+, =, 'cadddr-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadddr-list')), true)
Call: (212) [system] _156274=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cadddr-list')), true, _158144)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cadddr-list')), true, _158144)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cadddr-list')), true, _160972)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cadddr-list')), true, _160972)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cadddr-list')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')));assert('next-operation'(op(+, =, 'cadddr-list'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')));assert('next-operation'(op(+, =, 'cadddr-list'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')));assert('next-operation'(op(+, =, 'cadddr-list')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')));assert('next-operation'(op(+, =, 'cadddr-list')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'cadddr-list')), _188322, _188324)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'cadddr-list')), user, 'next-operation'(op(+, =, 'cadddr-list')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadddr-list')), _190202, _190204)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'cadddr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cadddr-list')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadddr-list')), _190202, _190204)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadddr-list')), true)
Call: (215) [system] _198608=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cadddr-list')), true, _200478)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cadddr-list')), true, _200478)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cadddr-list')), true, _203306)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cadddr-list')), true, _203306)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cadddr-list')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')));assert('next-operation'(op(+, =, 'cadddr-list')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cadddr-list')));assert('next-operation'(op(+, =, 'cadddr-list'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _260096)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _260096)
Call: (216) [system] var('next-operation'(op(+, =, 'cadddr-list')))
Fail: (216) [system] var('next-operation'(op(+, =, 'cadddr-list')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _260096)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _260096)
Call: (216) [system] compound('next-operation'(op(+, =, 'cadddr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cadddr-list')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _260096)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _260096)
Call: (216) [system] _271248 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), _273106)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), _273106)
Call: (217) [system] is_list('next-operation'(op(+, =, 'cadddr-list')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'cadddr-list')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), _273106)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), _273106)
Call: (217) [system] compound('next-operation'(op(+, =, 'cadddr-list')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'cadddr-list')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cadddr-list')), _280516, _280518)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cadddr-list')), 'next-operation', [op(+, =, 'cadddr-list')])
Call: (217) [lists] lists:member(_273106, ['next-operation', op(+, =, 'cadddr-list')])
Unify: (217) [lists] lists:member(_273106, ['next-operation', op(+, =, 'cadddr-list')])
Call: (218) [lists] lists:member_([op(+, =, 'cadddr-list')], _273106, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cadddr-list')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'cadddr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cadddr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _260096)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _260096)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _260096)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _260096)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _260096)
Call: (217) [system] _260096='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'cadddr-list')], _273106, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cadddr-list')], _273106, 'next-operation')
Call: (219) [lists] lists:member_([], _273106, op(+, =, 'cadddr-list'))
Unify: (219) [lists] lists:member_([], op(+, =, 'cadddr-list'), op(+, =, 'cadddr-list'))
Exit: (219) [lists] lists:member_([], op(+, =, 'cadddr-list'), op(+, =, 'cadddr-list'))
Exit: (218) [lists] lists:member_([op(+, =, 'cadddr-list')], op(+, =, 'cadddr-list'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'cadddr-list'), ['next-operation', op(+, =, 'cadddr-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), op(+, =, 'cadddr-list'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'cadddr-list'), _260096)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cadddr-list'), _260096)
Call: (217) [system] var(op(+, =, 'cadddr-list'))
Fail: (217) [system] var(op(+, =, 'cadddr-list'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'cadddr-list'), _260096)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cadddr-list'), _260096)
Call: (217) [system] compound(op(+, =, 'cadddr-list'))
Exit: (217) [system] compound(op(+, =, 'cadddr-list'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _260096=op(+, =, 'cadddr-list')
Exit: (217) [system] op(+, =, 'cadddr-list')=op(+, =, 'cadddr-list')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'cadddr-list'), op(+, =, 'cadddr-list'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), op(+, =, 'cadddr-list'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'cadddr-list'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'cadddr-list'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cadddr-list')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _327896)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _327896)
Call: (215) [system] var('next-operation'(op(+, =, 'cadddr-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cadddr-list')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _327896)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _327896)
Call: (215) [system] compound('next-operation'(op(+, =, 'cadddr-list')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'cadddr-list')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _327896)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), _327896)
Call: (215) [system] _339048 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), _340906)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), _340906)
Call: (216) [system] is_list('next-operation'(op(+, =, 'cadddr-list')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'cadddr-list')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), _340906)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), _340906)
Call: (216) [system] compound('next-operation'(op(+, =, 'cadddr-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cadddr-list')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cadddr-list')), _348316, _348318)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cadddr-list')), 'next-operation', [op(+, =, 'cadddr-list')])
Call: (216) [lists] lists:member(_340906, ['next-operation', op(+, =, 'cadddr-list')])
Unify: (216) [lists] lists:member(_340906, ['next-operation', op(+, =, 'cadddr-list')])
Call: (217) [lists] lists:member_([op(+, =, 'cadddr-list')], _340906, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cadddr-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'cadddr-list')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cadddr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _327896)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _327896)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _327896)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _327896)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _327896)
Call: (216) [system] _327896='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'cadddr-list')], _340906, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cadddr-list')], _340906, 'next-operation')
Call: (218) [lists] lists:member_([], _340906, op(+, =, 'cadddr-list'))
Unify: (218) [lists] lists:member_([], op(+, =, 'cadddr-list'), op(+, =, 'cadddr-list'))
Exit: (218) [lists] lists:member_([], op(+, =, 'cadddr-list'), op(+, =, 'cadddr-list'))
Exit: (217) [lists] lists:member_([op(+, =, 'cadddr-list')], op(+, =, 'cadddr-list'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'cadddr-list'), ['next-operation', op(+, =, 'cadddr-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cadddr-list')), op(+, =, 'cadddr-list'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'cadddr-list'), _327896)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cadddr-list'), _327896)
Call: (216) [system] var(op(+, =, 'cadddr-list'))
Fail: (216) [system] var(op(+, =, 'cadddr-list'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'cadddr-list'), _327896)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cadddr-list'), _327896)
Call: (216) [system] compound(op(+, =, 'cadddr-list'))
Exit: (216) [system] compound(op(+, =, 'cadddr-list'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _327896=op(+, =, 'cadddr-list')
Exit: (216) [system] op(+, =, 'cadddr-list')=op(+, =, 'cadddr-list')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'cadddr-list'), op(+, =, 'cadddr-list'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cadddr-list')), op(+, =, 'cadddr-list'))
^ Call: (214) [user] pfcTraced(op(+, =, 'cadddr-list'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'cadddr-list'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cadddr-list')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'cadddr-list')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'cadddr-list')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_494568)
^ Unify: (212) [user] pfcGetSearch(_494568)
Call: (213) [t_l] t_l:pfcSearchTL(_496418)
Fail: (213) [t_l] t_l:pfcSearchTL(_496418)
^ Redo: (212) [user] pfcGetSearch(_494568)
^ Call: (213) [user] pfcSearch(_499192)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _494568=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'cadddr-list')), _3776)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'cadddr-list')), _3776)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'cadddr-list')), _3776)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _13772)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cadddr-list')))
Call: (218) [system] is_list(_21268)
Fail: (218) [system] is_list(_21268)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cadddr-list')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cadddr-list')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'cadddr-list')), _28662)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _71324, _71326)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _71324, _71326)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _71324, _71326)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _82566)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _83506)
Call: (224) [system] nonvar(_84364)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _85366)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _86300)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), number_of_clauses(_95494))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), number_of_clauses(_95494))
Call: (224) [system] nonvar(number_of_clauses(_95494))
Exit: (224) [system] nonvar(number_of_clauses(_95494))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_95494), user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_95494), user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _110338), (prolog_current_choice(_110348), push_current_choice(_110348), clause('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _110370), pfc_call(_110370)), nb_setval('$pfc_current_choice', _110338))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _110338), user:(prolog_current_choice(_110348), push_current_choice(_110348), clause('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _110370), pfc_call(_110370)), user:nb_setval('$pfc_current_choice', _110338))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _110338))
Call: (226) [system] nb_current('$pfc_current_choice', _110338)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_110348)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _119688)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _110370)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _110370)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _128060)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _110338), user:(prolog_current_choice(_110348), push_current_choice(_110348), clause('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254), _110370), pfc_call(_110370)), user:nb_setval('$pfc_current_choice', _110338))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cadddr-list')), _34254))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Call: (221) [user] pfc_spft(_142930, _143016, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938))
^ Unify: (221) [user] pfc_spft(_142930, _143948, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938))
^ Call: (222) [user] pfcCallSystem('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Call: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Unify: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (224) [system] var('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Fail: (224) [system] var('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Redo: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Unify: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (224) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Exit: (224) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Unify: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Redo: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Unify: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Call: (224) [user] predicate_property('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (227) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Exit: (227) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Unify: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Call: (224) [user] predicate_property('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (226) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Exit: (226) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _179088, _179090)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _179088, _179090)
Call: (227) [system] compound('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Exit: (227) [system] compound('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (227) [system] compound_name_arity('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _179088, _179090)
Exit: (227) [system] compound_name_arity('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Unify: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Call: (224) [user] predicate_property('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _190330)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _191270)
Call: (225) [system] nonvar(_192128)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _193130)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _194064)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (226) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Exit: (226) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Call: (224) [user] predicate_property('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), number_of_clauses(_203258))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), number_of_clauses(_203258))
Call: (225) [system] nonvar(number_of_clauses(_203258))
Exit: (225) [system] nonvar(number_of_clauses(_203258))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_203258), user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_203258), user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (227) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Exit: (227) [system] callable('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(771), user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), number_of_clauses(771))
^ Unify: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _218102), (prolog_current_choice(_218112), push_current_choice(_218112), clause('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _218134), pfc_call(_218134)), nb_setval('$pfc_current_choice', _218102))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _218102), user:(prolog_current_choice(_218112), push_current_choice(_218112), clause('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _218134), pfc_call(_218134)), user:nb_setval('$pfc_current_choice', _218102))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _218102))
Call: (227) [system] nb_current('$pfc_current_choice', _218102)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_218112)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _227452)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _218134)
^ Fail: (226) [user] clause('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _218134)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _235824)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _218102), user:(prolog_current_choice(_218112), push_current_choice(_218112), clause('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)), _218134), pfc_call(_218134)), user:nb_setval('$pfc_current_choice', _218102))
^ Fail: (223) [user] pfc_call('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_142930, _144808, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938)))
^ Fail: (221) [user] pfc_spft(_142930, _243328, '$nt$'('next-operation'(op(+, =, 'cadddr-list')), _142936, _142938))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cadddr-list')), 'next-operation'(op(+, =, 'cadddr-list'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cadddr-list'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3636, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_3636)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3636, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_3636)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3636, (notrace, wdmsg(('next-operation'(op(+, =, 'cadddr-list'))=>_3636)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_340854)
Fail: (202) [t_l] t_l:pfcSearchTL(_340854)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_343628)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'cadddr-list')), (P;HTML|mfl4(_3612, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cadddr-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], op(+, =, 'cadddr-list')), pfcAdd_Now('next-operation'(op(+, =, 'cadddr-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])\=[_365114|_365116]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])\=[_365114|_365116]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]))*->_3422='True';_3422='False'), error(_368852, _368854), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]))*->_3422='True';_3422='False'), error(_368852, _368854), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Call: (204) [user] metta_interp_mode(+, _372568)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Call: (205) [user] metta_interp_mode(load, _377158)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _386380)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], metta_atom('&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], metta_atom('&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_392856, _392858), once(user:is_compatio0), '$restore_trace'(_392856, _392858))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_392856, _392858), system:once(user:is_compatio0), system:'$restore_trace'(_392856, _392858))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_392856, _392858))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], metta_atom('&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], metta_atom('&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_398474, must_det_ll(user:metta_anew(load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], metta_atom('&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])))), (_398474==""->true;our_ansi_format('#ffa505', '~w~n', [_398474]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_398474, must_det_ll(user:metta_anew(load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], metta_atom('&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])))), (_398474==""->true;our_ansi_format('#ffa505', '~w~n', [_398474]))))
(=
(cadddr-list $x)
(car-list (cdr-list (cddr-list $x))))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], metta_atom('&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], metta_atom('&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]))*->'True'='True';'True'='False'), error(_368852, _368854), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cadddr-list', _x], ['car-list', ['cdr-list', ['cddr-list', _x]]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, ['cdar-list', _430086], ['cdr-list', ['car-list', _430086]]], ['_x'=_430086], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1211, 66, 41, 1211))
^ Exit: (193) [user] metta_file_buffer(+, [=, ['cdar-list', _430086], ['cdr-list', ['car-list', _430086]]], ['_x'=_430086], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1211, 66, 41, 1211))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_430086])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_430086])
Call: (195) [apply] apply:maplist_(['_x'=_430086], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_430086], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_430086)
Unify: (196) [user] maybe_assign('_x'=_430086)
^ Call: (197) [user] ignore(_430086=_x)
^ Unify: (197) [system] ignore(user:(_430086=_x))
Call: (198) [system] _430086=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_([], user:maybe_assign)
Unify: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422)
Call: (196) [system] var([=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422)
Call: (196) [system] string([=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _510368), pfcAdd_Now('next-operation'(_510368)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _510368), pfcAdd_Now('next-operation'(_510368)))
Call: (197) [user] into_simple_op(+, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _510368)
Unify: (197) [user] into_simple_op(+, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], op(+, =, _513160))
Call: (198) [user] o_s([['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _513160)
Unify: (198) [user] o_s([['cdar-list', _x], ['cdr-list', ['car-list', _x]]], _513160)
Call: (199) [user] o_s(['cdar-list', _x], _513160)
Unify: (199) [user] o_s(['cdar-list', _x], _513160)
Call: (200) [user] o_s('cdar-list', _513160)
Unify: (200) [user] o_s('cdar-list', 'cdar-list')
Exit: (200) [user] o_s('cdar-list', 'cdar-list')
Exit: (199) [user] o_s(['cdar-list', _x], 'cdar-list')
Exit: (198) [user] o_s([['cdar-list', _x], ['cdr-list', ['car-list', _x]]], 'cdar-list')
Exit: (197) [user] into_simple_op(+, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], op(+, =, 'cdar-list'))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdar-list')))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdar-list'))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdar-list'))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdar-list'))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, 'cdar-list'))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdar-list')))
^ Call: (199) [user] must_ex(current_why_UU(_14154))
^ Unify: (199) [user] must_ex(current_why_UU(_14154))
Call: (201) [user] current_why_UU(_14154)
Unify: (201) [user] current_why_UU(_14154)
^ Call: (202) [user] get_why_uu(_14154)
^ Unify: (202) [user] get_why_uu(_14154)
^ Call: (203) [user] findall(_19694, current_why(_19694), _19700)
^ Unify: (203) [$bags] findall(_19694, user:current_why(_19694), _19700)
^ Call: (204) [$bags] findall(_19694, user:current_why(_19694), _19700, [])
^ Unify: (204) [$bags] findall(_19694, user:current_why(_19694), _19700, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_19694, user:current_why(_19694), _19700, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_19694, user:current_why(_19694), _19700, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_19694, user:current_why(_19694), _19700, [])
Unify: (206) [$bags] findall_loop(_19694, user:current_why(_19694), _19700, [])
^ Call: (207) [user] bugger:current_why(_19694)
^ Unify: (207) [user] bugger:current_why(_19694)
^ Call: (208) [user] bugger:current_why_data(_19694)
^ Unify: (208) [user] bugger:current_why_data(_19694)
Call: (209) [system] nb_current('$current_why', wp(_19694, _30954))
Fail: (209) [system] nb_current('$current_why', wp(_19694, _30954))
^ Redo: (208) [user] bugger:current_why_data(_19694)
^ Unify: (208) [user] bugger:current_why_data(_19694)
Call: (209) [t_l] t_l:current_why_source(_19694)
Fail: (209) [t_l] t_l:current_why_source(_19694)
^ Fail: (208) [user] bugger:current_why_data(_19694)
^ Redo: (207) [user] bugger:current_why(_19694)
^ Unify: (207) [user] bugger:current_why(mfl4(_38382, _38384, _38386, _38388))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_39338, _39340), once(user:current_mfl4(_38382, _38384, _38386, _38388)), '$restore_trace'(_39338, _39340))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_39338, _39340), system:once(user:current_mfl4(_38382, _38384, _38386, _38388)), system:'$restore_trace'(_39338, _39340))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_39338, _39340))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_38382, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_38382, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_19694, user:current_why(_19694), _19700, [])
Exit: (206) [$bags] findall_loop(_19694, user:current_why(_19694), [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_19694, user:current_why(_19694), [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_19694, user:current_why(_19694), [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_19694, user:current_why(_19694), [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _14154)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _14154)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_176050, _176052)
Fail: (204) [system] [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_176050, _176052)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _14154)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _14154)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _206476)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _206476)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _206476)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _206476)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _206476)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _206476)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _206476)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _206476)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _206476)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _14154)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_56198, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_51518, _51520)
Fail: (205) [system] P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_51518, _51520)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3598)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdar-list')))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdar-list')))
Call: (202) [system] is_list('next-operation'(op(+, =, 'cdar-list')))
Fail: (202) [system] is_list('next-operation'(op(+, =, 'cdar-list')))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdar-list')))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdar-list')), _210252)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdar-list')), _210252)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, 'cdar-list')), _210252)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _230088, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_230088)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _230088, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_230088)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _230088, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_230088)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _230088, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_230088)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _260610)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _230088, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_230088)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _230088, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_230088)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cdar-list')), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, 'cdar-list')), P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdar-list')))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdar-list')))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdar-list')), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdar-list')), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, 'cdar-list')), _361262, _361264)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, 'cdar-list')), user, 'next-operation'(op(+, =, 'cdar-list')))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdar-list')), true)
Call: (212) [system] _365006=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cdar-list')), true, _366876)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cdar-list')), true, _366876)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, 'cdar-list')), true, _369704)
^ Fail: (212) [user] clause('next-operation'(op(+, =, 'cdar-list')), true, _369704)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, 'cdar-list')), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, 'cdar-list')))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdar-list')));assert('next-operation'(op(+, =, 'cdar-list'))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdar-list')));assert('next-operation'(op(+, =, 'cdar-list'))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdar-list')));assert('next-operation'(op(+, =, 'cdar-list')))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdar-list')));assert('next-operation'(op(+, =, 'cdar-list')))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cdar-list')))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, 'cdar-list')), _397054, _397056)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, 'cdar-list')), user, 'next-operation'(op(+, =, 'cdar-list')))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdar-list')), _398934, _398936)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')), true)
Call: (215) [system] var('next-operation'(op(+, =, 'cdar-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cdar-list')))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdar-list')), _398934, _398936)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdar-list')), true)
Call: (215) [system] _407340=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cdar-list')), true, _409210)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cdar-list')), true, _409210)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, 'cdar-list')), true, _412038)
^ Fail: (215) [user] clause('next-operation'(op(+, =, 'cdar-list')), true, _412038)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, 'cdar-list')), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, 'cdar-list')))
^ Call: (213) [user] assert('next-operation'(op(+, =, 'cdar-list')))
^ Exit: (213) [user] assert('next-operation'(op(+, =, 'cdar-list')))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdar-list')));assert('next-operation'(op(+, =, 'cdar-list')))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, 'cdar-list')));assert('next-operation'(op(+, =, 'cdar-list'))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3624, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdar-list')))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cdar-list')))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _468828)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _468828)
Call: (216) [system] var('next-operation'(op(+, =, 'cdar-list')))
Fail: (216) [system] var('next-operation'(op(+, =, 'cdar-list')))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _468828)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _468828)
Call: (216) [system] compound('next-operation'(op(+, =, 'cdar-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cdar-list')))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _468828)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _468828)
Call: (216) [system] _479980 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), _481838)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), _481838)
Call: (217) [system] is_list('next-operation'(op(+, =, 'cdar-list')))
Fail: (217) [system] is_list('next-operation'(op(+, =, 'cdar-list')))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), _481838)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), _481838)
Call: (217) [system] compound('next-operation'(op(+, =, 'cdar-list')))
Exit: (217) [system] compound('next-operation'(op(+, =, 'cdar-list')))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cdar-list')), _489248, _489250)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, 'cdar-list')), 'next-operation', [op(+, =, 'cdar-list')])
Call: (217) [lists] lists:member(_481838, ['next-operation', op(+, =, 'cdar-list')])
Unify: (217) [lists] lists:member(_481838, ['next-operation', op(+, =, 'cdar-list')])
Call: (218) [lists] lists:member_([op(+, =, 'cdar-list')], _481838, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cdar-list')], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, 'cdar-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cdar-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _468828)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _468828)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _468828)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _468828)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _468828)
Call: (217) [system] _468828='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, 'cdar-list')], _481838, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, 'cdar-list')], _481838, 'next-operation')
Call: (219) [lists] lists:member_([], _481838, op(+, =, 'cdar-list'))
Unify: (219) [lists] lists:member_([], op(+, =, 'cdar-list'), op(+, =, 'cdar-list'))
Exit: (219) [lists] lists:member_([], op(+, =, 'cdar-list'), op(+, =, 'cdar-list'))
Exit: (218) [lists] lists:member_([op(+, =, 'cdar-list')], op(+, =, 'cdar-list'), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, 'cdar-list'), ['next-operation', op(+, =, 'cdar-list')])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), op(+, =, 'cdar-list'))
^ Call: (216) [user] compound_eles(0, op(+, =, 'cdar-list'), _468828)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cdar-list'), _468828)
Call: (217) [system] var(op(+, =, 'cdar-list'))
Fail: (217) [system] var(op(+, =, 'cdar-list'))
^ Redo: (216) [user] compound_eles(0, op(+, =, 'cdar-list'), _468828)
^ Unify: (216) [user] compound_eles(0, op(+, =, 'cdar-list'), _3760)
Call: (217) [system] compound(op(+, =, 'cdar-list'))
Exit: (217) [system] compound(op(+, =, 'cdar-list'))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _3760=op(+, =, 'cdar-list')
Exit: (217) [system] op(+, =, 'cdar-list')=op(+, =, 'cdar-list')
^ Exit: (216) [user] compound_eles(0, op(+, =, 'cdar-list'), op(+, =, 'cdar-list'))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), op(+, =, 'cdar-list'))
^ Call: (215) [user] pfcIgnored(op(+, =, 'cdar-list'))
^ Fail: (215) [user] pfcIgnored(op(+, =, 'cdar-list'))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, 'cdar-list')))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdar-list')))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _16458)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _16458)
Call: (215) [system] var('next-operation'(op(+, =, 'cdar-list')))
Fail: (215) [system] var('next-operation'(op(+, =, 'cdar-list')))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _16458)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _16458)
Call: (215) [system] compound('next-operation'(op(+, =, 'cdar-list')))
Exit: (215) [system] compound('next-operation'(op(+, =, 'cdar-list')))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _16458)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), _16458)
Call: (215) [system] _27610 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), _29468)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), _29468)
Call: (216) [system] is_list('next-operation'(op(+, =, 'cdar-list')))
Fail: (216) [system] is_list('next-operation'(op(+, =, 'cdar-list')))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), _29468)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), _29468)
Call: (216) [system] compound('next-operation'(op(+, =, 'cdar-list')))
Exit: (216) [system] compound('next-operation'(op(+, =, 'cdar-list')))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cdar-list')), _36878, _36880)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, 'cdar-list')), 'next-operation', [op(+, =, 'cdar-list')])
Call: (216) [lists] lists:member(_29468, ['next-operation', op(+, =, 'cdar-list')])
Unify: (216) [lists] lists:member(_29468, ['next-operation', op(+, =, 'cdar-list')])
Call: (217) [lists] lists:member_([op(+, =, 'cdar-list')], _29468, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cdar-list')], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, 'cdar-list')], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, 'cdar-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _16458)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _16458)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _16458)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _16458)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _16458)
Call: (216) [system] _16458='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, 'cdar-list')], _29468, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, 'cdar-list')], _29468, 'next-operation')
Call: (218) [lists] lists:member_([], _29468, op(+, =, 'cdar-list'))
Unify: (218) [lists] lists:member_([], op(+, =, 'cdar-list'), op(+, =, 'cdar-list'))
Exit: (218) [lists] lists:member_([], op(+, =, 'cdar-list'), op(+, =, 'cdar-list'))
Exit: (217) [lists] lists:member_([op(+, =, 'cdar-list')], op(+, =, 'cdar-list'), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, 'cdar-list'), ['next-operation', op(+, =, 'cdar-list')])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, 'cdar-list')), op(+, =, 'cdar-list'))
^ Call: (215) [user] compound_eles(0, op(+, =, 'cdar-list'), _16458)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cdar-list'), _16458)
Call: (216) [system] var(op(+, =, 'cdar-list'))
Fail: (216) [system] var(op(+, =, 'cdar-list'))
^ Redo: (215) [user] compound_eles(0, op(+, =, 'cdar-list'), _16458)
^ Unify: (215) [user] compound_eles(0, op(+, =, 'cdar-list'), _16458)
Call: (216) [system] compound(op(+, =, 'cdar-list'))
Exit: (216) [system] compound(op(+, =, 'cdar-list'))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _16458=op(+, =, 'cdar-list')
Exit: (216) [system] op(+, =, 'cdar-list')=op(+, =, 'cdar-list')
^ Exit: (215) [user] compound_eles(0, op(+, =, 'cdar-list'), op(+, =, 'cdar-list'))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, 'cdar-list')), op(+, =, 'cdar-list'))
^ Call: (214) [user] pfcTraced(op(+, =, 'cdar-list'))
^ Fail: (214) [user] pfcTraced(op(+, =, 'cdar-list'))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, 'cdar-list')))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, 'cdar-list')), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, 'cdar-list')), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_183130)
^ Unify: (212) [user] pfcGetSearch(_183130)
Call: (213) [t_l] t_l:pfcSearchTL(_184980)
Fail: (213) [t_l] t_l:pfcSearchTL(_184980)
^ Redo: (212) [user] pfcGetSearch(_183130)
^ Call: (213) [user] pfcSearch(_187754)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _183130=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdar-list')))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, 'cdar-list')), _212228)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, 'cdar-list')), _212228)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, 'cdar-list')), _212228)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdar-list')))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, 'cdar-list'))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdar-list'))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdar-list'))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdar-list'))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _222490)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdar-list'))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdar-list'))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cdar-list')))
Call: (218) [system] is_list(_229986)
Fail: (218) [system] is_list(_229986)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cdar-list')))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cdar-list')))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cdar-list')))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cdar-list')))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, 'cdar-list')))
Call: (219) [system] copy_term('next-operation'(op(+, =, 'cdar-list')), _237380)
Exit: (219) [system] copy_term('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list'))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list'))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _280042, _280044)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _280042, _280044)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _280042, _280044)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _291284)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _292224)
Call: (224) [system] nonvar(_293082)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _294084)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _295018)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), number_of_clauses(_304212))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), number_of_clauses(_304212))
Call: (224) [system] nonvar(number_of_clauses(_304212))
Exit: (224) [system] nonvar(number_of_clauses(_304212))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_304212), user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_304212), user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _319056), (prolog_current_choice(_319066), push_current_choice(_319066), clause('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _319088), pfc_call(_319088)), nb_setval('$pfc_current_choice', _319056))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _319056), user:(prolog_current_choice(_319066), push_current_choice(_319066), clause('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _319088), pfc_call(_319088)), user:nb_setval('$pfc_current_choice', _319056))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _319056))
Call: (226) [system] nb_current('$pfc_current_choice', _319056)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_319066)
Exit: (225) [system] prolog_current_choice(2930)
^ Call: (225) [user] push_current_choice(2930)
^ Unify: (225) [user] push_current_choice(2930)
Call: (226) [system] nb_current('$pfc_current_choice', _328406)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2930])
Exit: (226) [system] b_setval('$pfc_current_choice', [2930])
^ Exit: (225) [user] push_current_choice(2930)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _319088)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _319088)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _336778)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _319056), user:(prolog_current_choice(_319066), push_current_choice(_319066), clause('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972), _319088), pfc_call(_319088)), user:nb_setval('$pfc_current_choice', _319056))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, 'cdar-list')), _242972))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list'))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list'))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list'))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Call: (221) [user] pfc_spft(_351648, _351734, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656))
^ Unify: (221) [user] pfc_spft(_351648, _352666, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656))
^ Call: (222) [user] pfcCallSystem('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Call: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Unify: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (224) [system] var('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Fail: (224) [system] var('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Redo: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Unify: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (224) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Exit: (224) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Unify: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Redo: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Unify: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Call: (224) [user] predicate_property('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (227) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Exit: (227) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Unify: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Call: (224) [user] predicate_property('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (226) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Exit: (226) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _387806, _387808)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _387806, _387808)
Call: (227) [system] compound('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Exit: (227) [system] compound('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (227) [system] compound_name_arity('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _387806, _387808)
Exit: (227) [system] compound_name_arity('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Unify: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Call: (224) [user] predicate_property('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _399048)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _399988)
Call: (225) [system] nonvar(_400846)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _401848)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _402782)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (226) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Exit: (226) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Call: (224) [user] predicate_property('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), number_of_clauses(_411976))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), number_of_clauses(_411976))
Call: (225) [system] nonvar(number_of_clauses(_411976))
Exit: (225) [system] nonvar(number_of_clauses(_411976))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_411976), user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_411976), user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (227) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Exit: (227) [system] callable('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(773), user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), number_of_clauses(773))
^ Unify: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _426820), (prolog_current_choice(_426830), push_current_choice(_426830), clause('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _426852), pfc_call(_426852)), nb_setval('$pfc_current_choice', _426820))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _426820), user:(prolog_current_choice(_426830), push_current_choice(_426830), clause('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _426852), pfc_call(_426852)), user:nb_setval('$pfc_current_choice', _426820))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _426820))
Call: (227) [system] nb_current('$pfc_current_choice', _426820)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_426830)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _436170)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _426852)
^ Fail: (226) [user] clause('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _426852)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _444542)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _426820), user:(prolog_current_choice(_426830), push_current_choice(_426830), clause('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)), _426852), pfc_call(_426852)), user:nb_setval('$pfc_current_choice', _426820))
^ Fail: (223) [user] pfc_call('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_351648, _353526, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656)))
^ Fail: (221) [user] pfc_spft(_351648, _452046, '$nt$'('next-operation'(op(+, =, 'cdar-list')), _351654, _351656))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list')))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, 'cdar-list')), 'next-operation'(op(+, =, 'cdar-list'))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, 'cdar-list')))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, 'cdar-list')))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdar-list'))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdar-list'))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, 'cdar-list'))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, 'cdar-list')))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_3624)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_3624)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3624, (notrace, wdmsg(('next-operation'(op(+, =, 'cdar-list'))=>_3624)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, 'cdar-list')))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_29466)
Fail: (202) [t_l] t_l:pfcSearchTL(_29466)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_32240)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, 'cdar-list')), (P;HTML|mfl4(_3600, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, 'cdar-list')))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, 'cdar-list')))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], op(+, =, 'cdar-list')), pfcAdd_Now('next-operation'(op(+, =, 'cdar-list'))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])\=[_53726|_53728]
Exit: (199) [system] asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])\=[_53726|_53728]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]))*->_3422='True';_3422='False'), error(_57464, _57466), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]))*->_3422='True';_3422='False'), error(_57464, _57466), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Call: (204) [user] metta_interp_mode(+, _61180)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Call: (205) [user] metta_interp_mode(load, _65770)
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _74992)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], metta_atom('&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], metta_atom('&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_81468, _81470), once(user:is_compatio0), '$restore_trace'(_81468, _81470))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_81468, _81470), system:once(user:is_compatio0), system:'$restore_trace'(_81468, _81470))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_81468, _81470))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], metta_atom('&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], metta_atom('&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_87086, must_det_ll(user:metta_anew(load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], metta_atom('&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])))), (_87086==""->true;our_ansi_format('#ffa505', '~w~n', [_87086]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_87086, must_det_ll(user:metta_anew(load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], metta_atom('&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])))), (_87086==""->true;our_ansi_format('#ffa505', '~w~n', [_87086]))))
(=
(cdar-list $x)
(cdr-list (car-list $x)))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], metta_atom('&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], metta_atom('&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]))*->'True'='True';'True'='False'), error(_57464, _57466), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, ['cdar-list', _x], ['cdr-list', ['car-list', _x]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1260, 69, 29, 1260))
^ Exit: (193) [user] metta_file_buffer(+, '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1260, 69, 29, 1260))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422)
Call: (196) [system] var('$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0))
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0)==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422)
Call: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", _3422)
Call: (197) [system] var("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", _3422)
Call: (197) [system] comment(+)\==exec
Exit: (197) [system] comment(+)\==exec
Call: (197) [system] "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."==[]
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", _3422)
^ Call: (197) [user] write_comment("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Unify: (197) [user] write_comment("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Call: (198) [user] is_compatio
^ Unify: (198) [user] is_compatio
^ Call: (200) [system] setup_call_cleanup('$notrace'(_212670, _212672), once(user:is_compatio0), '$restore_trace'(_212670, _212672))
^ Unify: (200) [system] setup_call_cleanup(system:'$notrace'(_212670, _212672), system:once(user:is_compatio0), system:'$restore_trace'(_212670, _212672))
^ Call: (201) [system] sig_atomic(system:'$notrace'(_212670, _212672))
^ Redo: (197) [user] write_comment("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Unify: (197) [user] write_comment("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Call: (198) [user] silent_loading
^ Unify: (198) [user] silent_loading
^ Call: (199) [user] option_value(load, silent)
^ Unify: (199) [user] option_value(load, silent)
Call: (200) [system] var(silent)
Fail: (200) [system] var(silent)
^ Redo: (199) [user] option_value(load, silent)
^ Unify: (199) [user] option_value(load, silent)
Call: (200) [system] silent==true
Fail: (200) [system] silent==true
^ Redo: (199) [user] option_value(load, silent)
^ Unify: (199) [user] option_value(load, silent)
Call: (200) [system] silent==false
Fail: (200) [system] silent==false
^ Redo: (199) [user] option_value(load, silent)
^ Unify: (199) [user] option_value(load, silent)
^ Call: (201) [system] setup_call_cleanup('$notrace'(_232186, _232188), once(user:option_value0(load, silent)), '$restore_trace'(_232186, _232188))
^ Unify: (201) [system] setup_call_cleanup(system:'$notrace'(_232186, _232188), system:once(user:option_value0(load, silent)), system:'$restore_trace'(_232186, _232188))
^ Call: (202) [system] sig_atomic(system:'$notrace'(_232186, _232188))
^ Fail: (199) [user] option_value(load, silent)
^ Redo: (198) [user] silent_loading
^ Unify: (198) [user] silent_loading
^ Call: (199) [user] is_converting
^ Unify: (199) [user] is_converting
^ Call: (200) [user] is_metta_flag(convert)
^ Unify: (200) [user] is_metta_flag(convert)
^ Call: (202) [system] setup_call_cleanup('$notrace'(_241476, _241478), once(user:is_flag0(convert)), '$restore_trace'(_241476, _241478))
^ Unify: (202) [system] setup_call_cleanup(system:'$notrace'(_241476, _241478), system:once(user:is_flag0(convert)), system:'$restore_trace'(_241476, _241478))
^ Call: (203) [system] sig_atomic(system:'$notrace'(_241476, _241478))
^ Fail: (200) [user] is_metta_flag(convert)
^ Fail: (199) [user] is_converting
^ Redo: (198) [user] silent_loading
^ Unify: (198) [user] silent_loading
^ Call: (199) [user] option_value(html, 'True')
^ Unify: (199) [user] option_value(html, 'True')
Call: (200) [system] var('True')
Fail: (200) [system] var('True')
^ Redo: (199) [user] option_value(html, 'True')
^ Unify: (199) [user] option_value(html, 'True')
Call: (200) [system] 'True'==true
Fail: (200) [system] 'True'==true
^ Redo: (199) [user] option_value(html, 'True')
^ Unify: (199) [user] option_value(html, 'True')
Call: (200) [system] 'True'==false
Fail: (200) [system] 'True'==false
^ Redo: (199) [user] option_value(html, 'True')
^ Unify: (199) [user] option_value(html, 'True')
^ Call: (201) [system] setup_call_cleanup('$notrace'(_260984, _260986), once(user:option_value0(html, 'True')), '$restore_trace'(_260984, _260986))
^ Unify: (201) [system] setup_call_cleanup(system:'$notrace'(_260984, _260986), system:once(user:option_value0(html, 'True')), system:'$restore_trace'(_260984, _260986))
^ Call: (202) [system] sig_atomic(system:'$notrace'(_260984, _260986))
^ Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:option_value0(html, 'True')), system:'$restore_trace'(3, -1))
^ Exit: (199) [user] option_value(html, 'True')
Call: (199) [system] fail
^ Redo: (197) [user] write_comment("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Unify: (197) [user] write_comment("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Call: (198) [user] connlf
^ Unify: (198) [user] connlf
^ Call: (199) [user] check_silent_loading
^ Unify: (199) [user] check_silent_loading
^ Exit: (199) [user] check_silent_loading
^ Call: (199) [user] not_compat_io(format('~N'))
^ Unify: (199) [user] not_compat_io(format('~N'))
^ Call: (200) [user] not_compatio(format('~N'))
^ Unify: (200) [user] not_compatio(format('~N'))
^ Call: (201) [user] if_t(once((is_mettalog;is_testing)), user_err(format('~N')))
^ Unify: (201) [user] if_t(once((is_mettalog;is_testing)), user_err(format('~N')))
^ Call: (202) [user] once((is_mettalog;is_testing))
^ Unify: (202) [system] once(user:(is_mettalog;is_testing))
^ Call: (204) [user] is_mettalog
^ Unify: (204) [user] is_mettalog
^ Call: (205) [user] is_win64
^ Unify: (205) [user] is_win64
Call: (206) [system] current_prolog_flag(windows, _284236)
Fail: (206) [system] current_prolog_flag(windows, _285164)
^ Fail: (205) [user] is_win64
^ Redo: (204) [user] is_mettalog
^ Unify: (204) [user] is_mettalog
^ Call: (205) [user] is_metta_flag(log)
^ Unify: (205) [user] is_metta_flag(log)
^ Call: (207) [system] setup_call_cleanup('$notrace'(_290624, _290626), once(user:is_flag0(log)), '$restore_trace'(_290624, _290626))
^ Unify: (207) [system] setup_call_cleanup(system:'$notrace'(_290624, _290626), system:once(user:is_flag0(log)), system:'$restore_trace'(_290624, _290626))
^ Call: (208) [system] sig_atomic(system:'$notrace'(_290624, _290626))
^ Fail: (205) [user] is_metta_flag(log)
^ Fail: (204) [user] is_mettalog
^ Call: (204) [user] is_testing
^ Unify: (204) [user] is_testing
^ Call: (205) [user] is_metta_flag(test)
^ Unify: (205) [user] is_metta_flag(test)
^ Call: (207) [system] setup_call_cleanup('$notrace'(_298994, _298996), once(user:is_flag0(test)), '$restore_trace'(_298994, _298996))
^ Unify: (207) [system] setup_call_cleanup(system:'$notrace'(_298994, _298996), system:once(user:is_flag0(test)), system:'$restore_trace'(_298994, _298996))
^ Call: (208) [system] sig_atomic(system:'$notrace'(_298994, _298996))
^ Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:is_flag0(test)), system:'$restore_trace'(3, -1))
^ Exit: (205) [user] is_metta_flag(test)
^ Exit: (204) [user] is_testing
^ Exit: (202) [system] once(user:(is_mettalog;is_testing))
^ Call: (202) [user] user_err(format('~N'))
^ Unify: (202) [user] user_err(format('~N'))
^ Call: (203) [user] original_user_error(_307390)
^ Unify: (203) [user] original_user_error(_307390)
Call: (204) [system] stream_property(_307390, file_no(2))
Unify: (204) [system] stream_property(_307390, file_no(2))
Call: (205) [system] nonvar(_307390)
Redo: (204) [system] stream_property(_307390, file_no(2))
Unify: (204) [system] stream_property(_307390, file_no(2))
Call: (205) [system] nonvar(_307390)
Redo: (204) [system] stream_property(_307390, file_no(2))
Unify: (204) [system] stream_property(_307390, file_no(2))
Call: (205) [system] nonvar(file_no(2))
Exit: (205) [system] nonvar(file_no(2))
Call: (205) [system] file_no(2)=alias(_318510)
Redo: (204) [system] stream_property(_307390, file_no(2))
Exit: (204) [system] stream_property((0x7fce529ca220), file_no(2))
^ Exit: (203) [user] original_user_error((0x7fce529ca220))
^ Call: (203) [user] with_output_to((0x7fce529ca220), format('~N'))
Call: (205) [$syspreds] format('~N')
Unify: (205) [$syspreds] format('~N')
^ Call: (206) [$syspreds] format('~N', [])
^ Exit: (206) [$syspreds] format('~N', [])
Exit: (205) [$syspreds] format('~N')
^ Exit: (203) [user] with_output_to((0x7fce529ca220), format('~N'))
^ Exit: (202) [user] user_err(format('~N'))
^ Exit: (201) [user] if_t(once((is_mettalog;is_testing)), user_err(format('~N')))
^ Exit: (200) [user] not_compatio(format('~N'))
^ Exit: (199) [user] not_compat_io(format('~N'))
^ Exit: (198) [user] connlf
^ Call: (198) [user] format(';;~w~n', ["; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."])
;;; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.
^ Exit: (198) [user] format(';;~w~n', ["; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."])
^ Exit: (197) [user] write_comment("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Call: (197) [user] ignore((symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Unify: (197) [system] ignore(user:(symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Call: (199) [user] symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Unify: (199) [user] symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Call: (200) [system] atomic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Exit: (200) [system] atomic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Exit: (199) [user] symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Call: (199) [user] symbolic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Unify: (199) [user] symbolic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Call: (200) [system] atomic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Fail: (200) [system] atomic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Fail: (199) [user] symbolic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Redo: (197) [system] ignore(user:(symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Unify: (197) [system] ignore(user:(symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Exit: (197) [system] ignore(user:(symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_336204, _336210], 'MeTTaLog only: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Call: (197) [user] ignore((symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Unify: (197) [system] ignore(user:(symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Call: (199) [user] symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Unify: (199) [user] symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Call: (200) [system] atomic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Exit: (200) [system] atomic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Exit: (199) [user] symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Call: (199) [user] symbolic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Unify: (199) [user] symbolic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Call: (200) [system] atomic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
Fail: (200) [system] atomic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Fail: (199) [user] symbolic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.")
^ Redo: (197) [system] ignore(user:(symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Unify: (197) [system] ignore(user:(symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
^ Exit: (197) [system] ignore(user:(symbolic("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), symbolic_list_concat([_369710, _336210], 'MeTTaLog: ', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance."), !, atom_string(_336210, _336230), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _336230, _3422)))
Exit: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", _3422)
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422)
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; function memq checks if symbol $item is in list $x and returns sublist of $x starting with $item first appearance.", 71, 0), _3422))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, '$COMMENT'("; False in other case.", 72, 0), [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1260, 69, 29, 1260))
^ Exit: (193) [user] metta_file_buffer(+, '$COMMENT'("; False in other case.", 72, 0), [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1260, 69, 29, 1260))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422)
Call: (196) [system] var('$COMMENT'("; False in other case.", 72, 0))
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] '$COMMENT'("; False in other case.", 72, 0)==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422)
Call: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; False in other case.", _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; False in other case.", _3422)
Call: (197) [system] var("; False in other case.")
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; False in other case.", _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; False in other case.", _3422)
Call: (197) [system] comment(+)\==exec
Exit: (197) [system] comment(+)\==exec
Call: (197) [system] "; False in other case."==[]
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; False in other case.", _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; False in other case.", _3422)
^ Call: (197) [user] write_comment("; False in other case.")
^ Unify: (197) [user] write_comment("; False in other case.")
^ Call: (198) [user] is_compatio
^ Unify: (198) [user] is_compatio
^ Call: (200) [system] setup_call_cleanup('$notrace'(_516508, _516510), once(user:is_compatio0), '$restore_trace'(_516508, _516510))
^ Unify: (200) [system] setup_call_cleanup(system:'$notrace'(_516508, _516510), system:once(user:is_compatio0), system:'$restore_trace'(_516508, _516510))
^ Call: (201) [system] sig_atomic(system:'$notrace'(_516508, _516510))
^ Redo: (197) [user] write_comment("; False in other case.")
^ Unify: (197) [user] write_comment("; False in other case.")
^ Call: (198) [user] silent_loading
^ Unify: (198) [user] silent_loading
^ Call: (199) [user] option_value(load, silent)
^ Unify: (199) [user] option_value(load, silent)
Call: (200) [system] var(silent)
Fail: (200) [system] var(silent)
^ Redo: (199) [user] option_value(load, silent)
^ Unify: (199) [user] option_value(load, silent)
Call: (200) [system] silent==true
Fail: (200) [system] silent==true
^ Redo: (199) [user] option_value(load, silent)
^ Unify: (199) [user] option_value(load, silent)
Call: (200) [system] silent==false
Fail: (200) [system] silent==false
^ Redo: (199) [user] option_value(load, silent)
^ Unify: (199) [user] option_value(load, silent)
^ Call: (201) [system] setup_call_cleanup('$notrace'(_15536, _15538), once(user:option_value0(load, silent)), '$restore_trace'(_15536, _15538))
^ Unify: (201) [system] setup_call_cleanup(system:'$notrace'(_15536, _15538), system:once(user:option_value0(load, silent)), system:'$restore_trace'(_15536, _15538))
^ Call: (202) [system] sig_atomic(system:'$notrace'(_15536, _15538))
^ Fail: (199) [user] option_value(load, silent)
^ Redo: (198) [user] silent_loading
^ Unify: (198) [user] silent_loading
^ Call: (199) [user] is_converting
^ Unify: (199) [user] is_converting
^ Call: (200) [user] is_metta_flag(convert)
^ Unify: (200) [user] is_metta_flag(convert)
^ Call: (202) [system] setup_call_cleanup('$notrace'(_24826, _24828), once(user:is_flag0(convert)), '$restore_trace'(_24826, _24828))
^ Unify: (202) [system] setup_call_cleanup(system:'$notrace'(_24826, _24828), system:once(user:is_flag0(convert)), system:'$restore_trace'(_24826, _24828))
^ Call: (203) [system] sig_atomic(system:'$notrace'(_24826, _24828))
^ Fail: (200) [user] is_metta_flag(convert)
^ Fail: (199) [user] is_converting
^ Redo: (198) [user] silent_loading
^ Unify: (198) [user] silent_loading
^ Call: (199) [user] option_value(html, 'True')
^ Unify: (199) [user] option_value(html, 'True')
Call: (200) [system] var('True')
Fail: (200) [system] var('True')
^ Redo: (199) [user] option_value(html, 'True')
^ Unify: (199) [user] option_value(html, 'True')
Call: (200) [system] 'True'==true
Fail: (200) [system] 'True'==true
^ Redo: (199) [user] option_value(html, 'True')
^ Unify: (199) [user] option_value(html, 'True')
Call: (200) [system] 'True'==false
Fail: (200) [system] 'True'==false
^ Redo: (199) [user] option_value(html, 'True')
^ Unify: (199) [user] option_value(html, 'True')
^ Call: (201) [system] setup_call_cleanup('$notrace'(_44334, _44336), once(user:option_value0(html, 'True')), '$restore_trace'(_44334, _44336))
^ Unify: (201) [system] setup_call_cleanup(system:'$notrace'(_44334, _44336), system:once(user:option_value0(html, 'True')), system:'$restore_trace'(_44334, _44336))
^ Call: (202) [system] sig_atomic(system:'$notrace'(_44334, _44336))
^ Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:option_value0(html, 'True')), system:'$restore_trace'(3, -1))
^ Exit: (199) [user] option_value(html, 'True')
Call: (199) [system] fail
^ Redo: (197) [user] write_comment("; False in other case.")
^ Unify: (197) [user] write_comment("; False in other case.")
^ Call: (198) [user] connlf
^ Unify: (198) [user] connlf
^ Call: (199) [user] check_silent_loading
^ Unify: (199) [user] check_silent_loading
^ Exit: (199) [user] check_silent_loading
^ Call: (199) [user] not_compat_io(format('~N'))
^ Unify: (199) [user] not_compat_io(format('~N'))
^ Call: (200) [user] not_compatio(format('~N'))
^ Unify: (200) [user] not_compatio(format('~N'))
^ Call: (201) [user] if_t(once((is_mettalog;is_testing)), user_err(format('~N')))
^ Unify: (201) [user] if_t(once((is_mettalog;is_testing)), user_err(format('~N')))
^ Call: (202) [user] once((is_mettalog;is_testing))
^ Unify: (202) [system] once(user:(is_mettalog;is_testing))
^ Call: (204) [user] is_mettalog
^ Unify: (204) [user] is_mettalog
^ Call: (205) [user] is_win64
^ Unify: (205) [user] is_win64
Call: (206) [system] current_prolog_flag(windows, _67586)
Fail: (206) [system] current_prolog_flag(windows, _68514)
^ Fail: (205) [user] is_win64
^ Redo: (204) [user] is_mettalog
^ Unify: (204) [user] is_mettalog
^ Call: (205) [user] is_metta_flag(log)
^ Unify: (205) [user] is_metta_flag(log)
^ Call: (207) [system] setup_call_cleanup('$notrace'(_73974, _73976), once(user:is_flag0(log)), '$restore_trace'(_73974, _73976))
^ Unify: (207) [system] setup_call_cleanup(system:'$notrace'(_73974, _73976), system:once(user:is_flag0(log)), system:'$restore_trace'(_73974, _73976))
^ Call: (208) [system] sig_atomic(system:'$notrace'(_73974, _73976))
^ Fail: (205) [user] is_metta_flag(log)
^ Fail: (204) [user] is_mettalog
^ Call: (204) [user] is_testing
^ Unify: (204) [user] is_testing
^ Call: (205) [user] is_metta_flag(test)
^ Unify: (205) [user] is_metta_flag(test)
^ Call: (207) [system] setup_call_cleanup('$notrace'(_82344, _82346), once(user:is_flag0(test)), '$restore_trace'(_82344, _82346))
^ Unify: (207) [system] setup_call_cleanup(system:'$notrace'(_82344, _82346), system:once(user:is_flag0(test)), system:'$restore_trace'(_82344, _82346))
^ Call: (208) [system] sig_atomic(system:'$notrace'(_82344, _82346))
^ Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:is_flag0(test)), system:'$restore_trace'(3, -1))
^ Exit: (205) [user] is_metta_flag(test)
^ Exit: (204) [user] is_testing
^ Exit: (202) [system] once(user:(is_mettalog;is_testing))
^ Call: (202) [user] user_err(format('~N'))
^ Unify: (202) [user] user_err(format('~N'))
^ Call: (203) [user] original_user_error(_90740)
^ Unify: (203) [user] original_user_error(_90740)
Call: (204) [system] stream_property(_90740, file_no(2))
Unify: (204) [system] stream_property(_90740, file_no(2))
Call: (205) [system] nonvar(_90740)
Redo: (204) [system] stream_property(_90740, file_no(2))
Unify: (204) [system] stream_property(_90740, file_no(2))
Call: (205) [system] nonvar(_90740)
Redo: (204) [system] stream_property(_90740, file_no(2))
Unify: (204) [system] stream_property(_90740, file_no(2))
Call: (205) [system] nonvar(file_no(2))
Exit: (205) [system] nonvar(file_no(2))
Call: (205) [system] file_no(2)=alias(_101860)
Redo: (204) [system] stream_property(_90740, file_no(2))
Exit: (204) [system] stream_property((0x7fce529ca220), file_no(2))
^ Exit: (203) [user] original_user_error((0x7fce529ca220))
^ Call: (203) [user] with_output_to((0x7fce529ca220), format('~N'))
Call: (205) [$syspreds] format('~N')
Unify: (205) [$syspreds] format('~N')
^ Call: (206) [$syspreds] format('~N', [])
^ Exit: (206) [$syspreds] format('~N', [])
Exit: (205) [$syspreds] format('~N')
^ Exit: (203) [user] with_output_to((0x7fce529ca220), format('~N'))
^ Exit: (202) [user] user_err(format('~N'))
^ Exit: (201) [user] if_t(once((is_mettalog;is_testing)), user_err(format('~N')))
^ Exit: (200) [user] not_compatio(format('~N'))
^ Exit: (199) [user] not_compat_io(format('~N'))
^ Exit: (198) [user] connlf
^ Call: (198) [user] format(';;~w~n', ["; False in other case."])
;;; False in other case.
^ Exit: (198) [user] format(';;~w~n', ["; False in other case."])
^ Exit: (197) [user] write_comment("; False in other case.")
^ Call: (197) [user] ignore((symbolic("; False in other case."), symbolic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Unify: (197) [system] ignore(user:(symbolic("; False in other case."), symbolic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Call: (199) [user] symbolic("; False in other case.")
^ Unify: (199) [user] symbolic("; False in other case.")
Call: (200) [system] atomic("; False in other case.")
Exit: (200) [system] atomic("; False in other case.")
^ Exit: (199) [user] symbolic("; False in other case.")
^ Call: (199) [user] symbolic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case.")
^ Unify: (199) [user] symbolic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case.")
Call: (200) [system] atomic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case.")
Fail: (200) [system] atomic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case.")
^ Fail: (199) [user] symbolic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case.")
^ Redo: (197) [system] ignore(user:(symbolic("; False in other case."), symbolic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Unify: (197) [system] ignore(user:(symbolic("; False in other case."), symbolic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Exit: (197) [system] ignore(user:(symbolic("; False in other case."), symbolic_list_concat([_119554, _119560], 'MeTTaLog only: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Call: (197) [user] ignore((symbolic("; False in other case."), symbolic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Unify: (197) [system] ignore(user:(symbolic("; False in other case."), symbolic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Call: (199) [user] symbolic("; False in other case.")
^ Unify: (199) [user] symbolic("; False in other case.")
Call: (200) [system] atomic("; False in other case.")
Exit: (200) [system] atomic("; False in other case.")
^ Exit: (199) [user] symbolic("; False in other case.")
^ Call: (199) [user] symbolic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case.")
^ Unify: (199) [user] symbolic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case.")
Call: (200) [system] atomic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case.")
Fail: (200) [system] atomic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case.")
^ Fail: (199) [user] symbolic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case.")
^ Redo: (197) [system] ignore(user:(symbolic("; False in other case."), symbolic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Unify: (197) [system] ignore(user:(symbolic("; False in other case."), symbolic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
^ Exit: (197) [system] ignore(user:(symbolic("; False in other case."), symbolic_list_concat([_153060, _119560], 'MeTTaLog: ', "; False in other case."), !, atom_string(_119560, _119580), do_metta(mettalog_only(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')), +, '&self', _119580, _3422)))
Exit: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), comment(+), '&self', "; False in other case.", _3422)
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422)
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', '$COMMENT'("; False in other case.", 72, 0), _3422))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, [=, [memq, _205880, _205886], [if, ['null-list?', _205886], 'False', [if, [==, _205880, ['car-list', _205886]], _205886, [memq, _205880, ['cdr-list', _205886]]]]], ['_x'=_205886, '_item'=_205880], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1260, 69, 29, 1260))
^ Exit: (193) [user] metta_file_buffer(+, [=, [memq, _205880, _205886], [if, ['null-list?', _205886], 'False', [if, [==, _205880, ['car-list', _205886]], _205886, [memq, _205880, ['cdr-list', _205886]]]]], ['_x'=_205886, '_item'=_205880], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1260, 69, 29, 1260))
^ Call: (194) [user] apply:maplist(maybe_assign, ['_x'=_205886, '_item'=_205880])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_205886, '_item'=_205880])
Call: (195) [apply] apply:maplist_(['_x'=_205886, '_item'=_205880], user:maybe_assign)
Unify: (195) [apply] apply:maplist_(['_x'=_205886, '_item'=_205880], user:maybe_assign)
Call: (196) [user] maybe_assign('_x'=_205886)
Unify: (196) [user] maybe_assign('_x'=_205886)
^ Call: (197) [user] ignore(_205886=_x)
^ Unify: (197) [system] ignore(user:(_205886=_x))
Call: (198) [system] _205886=_x
Exit: (198) [system] _x=_x
^ Exit: (197) [system] ignore(user:(_x=_x))
Exit: (196) [user] maybe_assign('_x'=_x)
Call: (196) [apply] apply:maplist_(['_item'=_205880], user:maybe_assign)
Unify: (196) [apply] apply:maplist_(['_item'=_205880], user:maybe_assign)
Call: (197) [user] maybe_assign('_item'=_205880)
Unify: (197) [user] maybe_assign('_item'=_205880)
^ Call: (198) [user] ignore(_205880=_item)
^ Unify: (198) [system] ignore(user:(_205880=_item))
Call: (199) [system] _205880=_item
Exit: (199) [system] _item=_item
^ Exit: (198) [system] ignore(user:(_item=_item))
Exit: (197) [user] maybe_assign('_item'=_item)
Call: (197) [apply] apply:maplist_([], user:maybe_assign)
Unify: (197) [apply] apply:maplist_([], user:maybe_assign)
Exit: (197) [apply] apply:maplist_([], user:maybe_assign)
Exit: (196) [apply] apply:maplist_(['_item'=_item], user:maybe_assign)
Exit: (195) [apply] apply:maplist_(['_x'=_x, '_item'=_item], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, ['_x'=_x, '_item'=_item])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422)
Call: (196) [system] var([=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422)
Call: (196) [system] string([=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
^ Call: (196) [user] if_t(into_simple_op(+, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _296458), pfcAdd_Now('next-operation'(_296458)))
^ Unify: (196) [user] if_t(into_simple_op(+, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _296458), pfcAdd_Now('next-operation'(_296458)))
Call: (197) [user] into_simple_op(+, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _296458)
Unify: (197) [user] into_simple_op(+, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], op(+, =, _299250))
Call: (198) [user] o_s([[memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _299250)
Unify: (198) [user] o_s([[memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], _299250)
Call: (199) [user] o_s([memq, _item, _x], _299250)
Unify: (199) [user] o_s([memq, _item, _x], _299250)
Call: (200) [user] o_s(memq, _299250)
Unify: (200) [user] o_s(memq, memq)
Exit: (200) [user] o_s(memq, memq)
Exit: (199) [user] o_s([memq, _item, _x], memq)
Exit: (198) [user] o_s([[memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], memq)
Exit: (197) [user] into_simple_op(+, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], op(+, =, memq))
^ Call: (197) [user] pfcAdd_Now('next-operation'(op(+, =, memq)))
^ Unify: (197) [user] pfcAdd_Now('next-operation'(op(+, =, memq)))
^ Call: (198) [user] current_predicate(pfcAdd/1)
^ Exit: (198) [user] current_predicate(pfcAdd/1)
^ Call: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, memq))))
^ Unify: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, memq))))
^ Call: (199) [user] clause(pfcTraceExecution, true)
^ Fail: (199) [user] clause(pfcTraceExecution, true)
^ Redo: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, memq))))
^ Exit: (198) [user] once_writeq_nl(pfcAdd('next-operation'(op(+, =, memq))))
^ Call: (198) [user] pfcAdd('next-operation'(op(+, =, memq)))
^ Unify: (198) [user] pfcAdd('next-operation'(op(+, =, memq)))
^ Call: (199) [user] must_ex(current_why_UU(_320468))
^ Unify: (199) [user] must_ex(current_why_UU(_320468))
Call: (201) [user] current_why_UU(_320468)
Unify: (201) [user] current_why_UU(_320468)
^ Call: (202) [user] get_why_uu(_320468)
^ Unify: (202) [user] get_why_uu(_320468)
^ Call: (203) [user] findall(_326008, current_why(_326008), _326014)
^ Unify: (203) [$bags] findall(_326008, user:current_why(_326008), _326014)
^ Call: (204) [$bags] findall(_326008, user:current_why(_326008), _326014, [])
^ Unify: (204) [$bags] findall(_326008, user:current_why(_326008), _326014, [])
^ Call: (205) [$bags] cleanup_bag(findall_loop(_326008, user:current_why(_326008), _326014, []), '$destroy_findall_bag')
^ Unify: (205) [$bags] cleanup_bag('$bags':findall_loop(_326008, user:current_why(_326008), _326014, []), '$bags':'$destroy_findall_bag')
Call: (206) [$bags] findall_loop(_326008, user:current_why(_326008), _326014, [])
Unify: (206) [$bags] findall_loop(_326008, user:current_why(_326008), _326014, [])
^ Call: (207) [user] bugger:current_why(_326008)
^ Unify: (207) [user] bugger:current_why(_326008)
^ Call: (208) [user] bugger:current_why_data(_326008)
^ Unify: (208) [user] bugger:current_why_data(_326008)
Call: (209) [system] nb_current('$current_why', wp(_326008, _337268))
Fail: (209) [system] nb_current('$current_why', wp(_326008, _337268))
^ Redo: (208) [user] bugger:current_why_data(_326008)
^ Unify: (208) [user] bugger:current_why_data(_326008)
Call: (209) [t_l] t_l:current_why_source(_326008)
Fail: (209) [t_l] t_l:current_why_source(_326008)
^ Fail: (208) [user] bugger:current_why_data(_326008)
^ Redo: (207) [user] bugger:current_why(_326008)
^ Unify: (207) [user] bugger:current_why(mfl4(_344696, _344698, _344700, _344702))
^ Call: (209) [system] setup_call_cleanup('$notrace'(_345652, _345654), once(user:current_mfl4(_344696, _344698, _344700, _344702)), '$restore_trace'(_345652, _345654))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_345652, _345654), system:once(user:current_mfl4(_344696, _344698, _344700, _344702)), system:'$restore_trace'(_345652, _345654))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_345652, _345654))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_344696, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (207) [user] bugger:current_why(P;HTML|mfl4(_344696, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (206) [$bags] findall_loop(_326008, user:current_why(_326008), _326014, [])
Exit: (206) [$bags] findall_loop(_326008, user:current_why(_326008), [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (205) [$bags] cleanup_bag('$bags':findall_loop(_326008, user:current_why(_326008), [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (204) [$bags] findall(_326008, user:current_why(_326008), [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (203) [$bags] findall(_326008, user:current_why(_326008), [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (203) [system] [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (203) [system] [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (203) [user] u_to_uu([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _320468)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (204) [system] var([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (204) [system] var([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _320468)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] nonvar([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (204) [system] nonvar([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_482398, _482400)
Fail: (204) [system] [P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_482398, _482400)
^ Redo: (203) [user] u_to_uu([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _320468)
^ Unify: (203) [user] u_to_uu([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _320468)
^ Call: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _512832)
^ Unify: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_362514, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3762)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3762)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (206) [system] var([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (206) [system] var([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3762)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (206) [user] not(compound([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (206) [system] not(user:compound([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (207) [system] compound([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (207) [system] compound([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (206) [system] not(user:compound([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3762)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3762)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3762)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (207) [system] var(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (207) [system] var(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3762)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (207) [user] not(compound(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (207) [system] not(user:compound(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (208) [system] compound(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (208) [system] compound(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (207) [system] not(user:compound(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3762)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (204) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (204) [user] u_to_uu(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3716)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (205) [system] var(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (205) [system] var(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3716)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] nonvar(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (205) [system] nonvar(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (205) [system] P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_357152, _357154)
Fail: (205) [system] P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_357152, _357154)
^ Redo: (204) [user] u_to_uu(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3716)
^ Unify: (204) [user] u_to_uu(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu(P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] u_to_uu([P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] get_why_uu((P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (201) [user] current_why_UU((P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] must_ex(current_why_UU((P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (199) [user] pfcAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (199) [user] pfcAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcPost('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcPost('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost_rev((P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, memq)))
^ Unify: (201) [user] pfcPost_rev((P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, memq)))
Call: (202) [system] is_list('next-operation'(op(+, =, memq)))
Fail: (202) [system] is_list('next-operation'(op(+, =, memq)))
^ Redo: (201) [user] pfcPost_rev((P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, memq)))
^ Call: (202) [user] pfcPost1('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] control_arg_types('next-operation'(op(+, =, memq)), _515886)
^ Unify: (203) [user] control_arg_types('next-operation'(op(+, =, memq)), _515886)
Call: (204) [system] fail
Fail: (204) [system] fail
^ Fail: (203) [user] control_arg_types('next-operation'(op(+, =, memq)), _515886)
^ Redo: (202) [user] pfcPost1('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3742, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (202) [user] pfcPost1('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (203) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _16494, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_16494)), trace)))
^ Unify: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _16494, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_16494)), trace)))
^ Call: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _16494, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_16494)), trace)), user:each_call_cleanup)
^ Unify: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _16494, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_16494)), trace)), user:each_call_cleanup)
Call: (205) [system] current_prolog_flag(occurs_check, _47016)
Exit: (205) [system] current_prolog_flag(occurs_check, true)
^ Call: (205) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _16494, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_16494)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _16494, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_16494)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (206) [system] true==true
Exit: (206) [system] true==true
^ Call: (207) [user] pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (207) [user] pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] pfcAddSupport('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (210) [user] pfcAddSupport('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (211) [user] assert('$spft$'('next-operation'(op(+, =, memq)), P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] assert('$spft$'('next-operation'(op(+, =, memq)), P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] pfcAddSupport('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] must_ex(pfcAddSupport('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, memq)))
^ Unify: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, memq)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, memq)), true)
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, memq)), true)
^ Call: (210) [user] is_asserted_exact('next-operation'(op(+, =, memq)), true)
^ Unify: (210) [user] is_asserted_exact('next-operation'(op(+, =, memq)), true)
^ Call: (211) [user] strip_module('next-operation'(op(+, =, memq)), _147668, _147670)
^ Exit: (211) [user] strip_module('next-operation'(op(+, =, memq)), user, 'next-operation'(op(+, =, memq)))
^ Call: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, memq)), true)
^ Unify: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, memq)), true)
Call: (212) [system] _151412=user
Exit: (212) [system] user=user
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, memq)), true, _153282)
^ Fail: (212) [user] clause('next-operation'(op(+, =, memq)), true, _153282)
^ Redo: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, memq)), true)
^ Call: (212) [user] clause(user:'next-operation'(op(+, =, memq)), true, _156110)
^ Fail: (212) [user] clause('next-operation'(op(+, =, memq)), true, _156110)
^ Fail: (211) [user] is_asserted_exact(user, 'next-operation'(op(+, =, memq)), true)
^ Fail: (210) [user] is_asserted_exact('next-operation'(op(+, =, memq)), true)
^ Redo: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, memq)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(+, =, memq)), true)
^ Exit: (208) [user] pfcUnique(post, 'next-operation'(op(+, =, memq)))
^ Call: (208) [user] pfcPost2('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost2('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, memq)));assert('next-operation'(op(+, =, memq))))))
^ Unify: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, memq)));assert('next-operation'(op(+, =, memq))))))
^ Call: (211) [user] once((\+ \+is_asserted_exact('next-operation'(op(+, =, memq)));assert('next-operation'(op(+, =, memq)))))
^ Unify: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, memq)));assert('next-operation'(op(+, =, memq)))))
^ Call: (213) [user] is_asserted_exact('next-operation'(op(+, =, memq)))
^ Unify: (213) [user] is_asserted_exact('next-operation'(op(+, =, memq)))
^ Call: (214) [user] strip_module('next-operation'(op(+, =, memq)), _183460, _183462)
^ Exit: (214) [user] strip_module('next-operation'(op(+, =, memq)), user, 'next-operation'(op(+, =, memq)))
^ Call: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, memq)), _185340, _185342)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)), true)
Call: (215) [system] var('next-operation'(op(+, =, memq)))
Fail: (215) [system] var('next-operation'(op(+, =, memq)))
^ Redo: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, memq)), _185340, _185342)
^ Unify: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)), true)
^ Exit: (214) [user] hook_database:expand_to_hb('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)), true)
^ Call: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, memq)), true)
^ Unify: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, memq)), true)
Call: (215) [system] _193746=user
Exit: (215) [system] user=user
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, memq)), true, _195616)
^ Fail: (215) [user] clause('next-operation'(op(+, =, memq)), true, _195616)
^ Redo: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, memq)), true)
^ Call: (215) [user] clause(user:'next-operation'(op(+, =, memq)), true, _198444)
^ Fail: (215) [user] clause('next-operation'(op(+, =, memq)), true, _198444)
^ Fail: (214) [user] is_asserted_exact(user, 'next-operation'(op(+, =, memq)), true)
^ Fail: (213) [user] is_asserted_exact('next-operation'(op(+, =, memq)))
^ Call: (213) [user] assert('next-operation'(op(+, =, memq)))
^ Exit: (213) [user] assert('next-operation'(op(+, =, memq)))
^ Exit: (211) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(+, =, memq)));assert('next-operation'(op(+, =, memq)))))
^ Exit: (209) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(+, =, memq)));assert('next-operation'(op(+, =, memq))))))
^ Call: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcTraceAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcTraceAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcIsTraced('next-operation'(op(+, =, memq)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, memq)))
^ Call: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, memq)))
^ Unify: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, memq)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _255234)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _255234)
Call: (216) [system] var('next-operation'(op(+, =, memq)))
Fail: (216) [system] var('next-operation'(op(+, =, memq)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _255234)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _255234)
Call: (216) [system] compound('next-operation'(op(+, =, memq)))
Exit: (216) [system] compound('next-operation'(op(+, =, memq)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _255234)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _255234)
Call: (216) [system] _266386 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(+, =, memq)), _268244)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, memq)), _268244)
Call: (217) [system] is_list('next-operation'(op(+, =, memq)))
Fail: (217) [system] is_list('next-operation'(op(+, =, memq)))
^ Redo: (216) [user] compound_eles('next-operation'(op(+, =, memq)), _268244)
^ Unify: (216) [user] compound_eles('next-operation'(op(+, =, memq)), _268244)
Call: (217) [system] compound('next-operation'(op(+, =, memq)))
Exit: (217) [system] compound('next-operation'(op(+, =, memq)))
Call: (217) [system] compound_name_arguments('next-operation'(op(+, =, memq)), _275654, _275656)
Exit: (217) [system] compound_name_arguments('next-operation'(op(+, =, memq)), 'next-operation', [op(+, =, memq)])
Call: (217) [lists] lists:member(_268244, ['next-operation', op(+, =, memq)])
Unify: (217) [lists] lists:member(_268244, ['next-operation', op(+, =, memq)])
Call: (218) [lists] lists:member_([op(+, =, memq)], _268244, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, memq)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(+, =, memq)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(+, =, memq)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, memq)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _255234)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _255234)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _255234)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _255234)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _255234)
Call: (217) [system] _255234='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), 'next-operation')
^ Call: (215) [user] pfcIgnored('next-operation')
^ Fail: (215) [user] pfcIgnored('next-operation')
Redo: (218) [lists] lists:member_([op(+, =, memq)], _268244, 'next-operation')
Unify: (218) [lists] lists:member_([op(+, =, memq)], _268244, 'next-operation')
Call: (219) [lists] lists:member_([], _268244, op(+, =, memq))
Unify: (219) [lists] lists:member_([], op(+, =, memq), op(+, =, memq))
Exit: (219) [lists] lists:member_([], op(+, =, memq), op(+, =, memq))
Exit: (218) [lists] lists:member_([op(+, =, memq)], op(+, =, memq), 'next-operation')
Exit: (217) [lists] lists:member(op(+, =, memq), ['next-operation', op(+, =, memq)])
^ Exit: (216) [user] compound_eles('next-operation'(op(+, =, memq)), op(+, =, memq))
^ Call: (216) [user] compound_eles(0, op(+, =, memq), _255234)
^ Unify: (216) [user] compound_eles(0, op(+, =, memq), _255234)
Call: (217) [system] var(op(+, =, memq))
Fail: (217) [system] var(op(+, =, memq))
^ Redo: (216) [user] compound_eles(0, op(+, =, memq), _255234)
^ Unify: (216) [user] compound_eles(0, op(+, =, memq), _255234)
Call: (217) [system] compound(op(+, =, memq))
Exit: (217) [system] compound(op(+, =, memq))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _255234=op(+, =, memq)
Exit: (217) [system] op(+, =, memq)=op(+, =, memq)
^ Exit: (216) [user] compound_eles(0, op(+, =, memq), op(+, =, memq))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), op(+, =, memq))
^ Call: (215) [user] pfcIgnored(op(+, =, memq))
^ Fail: (215) [user] pfcIgnored(op(+, =, memq))
^ Fail: (214) [user] pfcIsNotTraced('next-operation'(op(+, =, memq)))
^ Redo: (213) [user] pfcIsTraced('next-operation'(op(+, =, memq)))
^ Unify: (213) [user] pfcIsTraced('next-operation'(op(+, =, memq)))
^ Call: (214) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _323034)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _323034)
Call: (215) [system] var('next-operation'(op(+, =, memq)))
Fail: (215) [system] var('next-operation'(op(+, =, memq)))
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _323034)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _323034)
Call: (215) [system] compound('next-operation'(op(+, =, memq)))
Exit: (215) [system] compound('next-operation'(op(+, =, memq)))
Call: (215) [system] 1<1
Fail: (215) [system] 1<1
^ Redo: (214) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _323034)
^ Unify: (214) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), _323034)
Call: (215) [system] _334186 is 1+ -1
Exit: (215) [system] 0 is 1+ -1
^ Call: (215) [user] compound_eles('next-operation'(op(+, =, memq)), _336044)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, memq)), _336044)
Call: (216) [system] is_list('next-operation'(op(+, =, memq)))
Fail: (216) [system] is_list('next-operation'(op(+, =, memq)))
^ Redo: (215) [user] compound_eles('next-operation'(op(+, =, memq)), _336044)
^ Unify: (215) [user] compound_eles('next-operation'(op(+, =, memq)), _336044)
Call: (216) [system] compound('next-operation'(op(+, =, memq)))
Exit: (216) [system] compound('next-operation'(op(+, =, memq)))
Call: (216) [system] compound_name_arguments('next-operation'(op(+, =, memq)), _343454, _343456)
Exit: (216) [system] compound_name_arguments('next-operation'(op(+, =, memq)), 'next-operation', [op(+, =, memq)])
Call: (216) [lists] lists:member(_336044, ['next-operation', op(+, =, memq)])
Unify: (216) [lists] lists:member(_336044, ['next-operation', op(+, =, memq)])
Call: (217) [lists] lists:member_([op(+, =, memq)], _336044, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, memq)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member_([op(+, =, memq)], 'next-operation', 'next-operation')
Exit: (216) [lists] lists:member('next-operation', ['next-operation', op(+, =, memq)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, memq)), 'next-operation')
^ Call: (215) [user] compound_eles(0, 'next-operation', _323034)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _323034)
Call: (216) [system] var('next-operation')
Fail: (216) [system] var('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _323034)
^ Unify: (215) [user] compound_eles(0, 'next-operation', _323034)
Call: (216) [system] compound('next-operation')
Fail: (216) [system] compound('next-operation')
^ Redo: (215) [user] compound_eles(0, 'next-operation', _323034)
Call: (216) [system] _323034='next-operation'
Exit: (216) [system] 'next-operation'='next-operation'
^ Exit: (215) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), 'next-operation')
^ Call: (214) [user] pfcTraced('next-operation')
^ Fail: (214) [user] pfcTraced('next-operation')
Redo: (217) [lists] lists:member_([op(+, =, memq)], _336044, 'next-operation')
Unify: (217) [lists] lists:member_([op(+, =, memq)], _336044, 'next-operation')
Call: (218) [lists] lists:member_([], _336044, op(+, =, memq))
Unify: (218) [lists] lists:member_([], op(+, =, memq), op(+, =, memq))
Exit: (218) [lists] lists:member_([], op(+, =, memq), op(+, =, memq))
Exit: (217) [lists] lists:member_([op(+, =, memq)], op(+, =, memq), 'next-operation')
Exit: (216) [lists] lists:member(op(+, =, memq), ['next-operation', op(+, =, memq)])
^ Exit: (215) [user] compound_eles('next-operation'(op(+, =, memq)), op(+, =, memq))
^ Call: (215) [user] compound_eles(0, op(+, =, memq), _323034)
^ Unify: (215) [user] compound_eles(0, op(+, =, memq), _323034)
Call: (216) [system] var(op(+, =, memq))
Fail: (216) [system] var(op(+, =, memq))
^ Redo: (215) [user] compound_eles(0, op(+, =, memq), _323034)
^ Unify: (215) [user] compound_eles(0, op(+, =, memq), _323034)
Call: (216) [system] compound(op(+, =, memq))
Exit: (216) [system] compound(op(+, =, memq))
Call: (216) [system] 0<1
Exit: (216) [system] 0<1
Call: (216) [system] _323034=op(+, =, memq)
Exit: (216) [system] op(+, =, memq)=op(+, =, memq)
^ Exit: (215) [user] compound_eles(0, op(+, =, memq), op(+, =, memq))
^ Exit: (214) [user] compound_eles(1, 'next-operation'(op(+, =, memq)), op(+, =, memq))
^ Call: (214) [user] pfcTraced(op(+, =, memq))
^ Fail: (214) [user] pfcTraced(op(+, =, memq))
^ Fail: (213) [user] pfcIsTraced('next-operation'(op(+, =, memq)))
^ Redo: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAddPrint('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcTraceBreak('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceBreak('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcSpied('next-operation'(op(+, =, memq)), +)
^ Fail: (213) [user] pfcSpied('next-operation'(op(+, =, memq)), +)
^ Redo: (212) [user] pfcTraceBreak('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceBreak('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcTraceAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcTraceAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcEnqueue('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcEnqueue('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] pfcGetSearch(_489706)
^ Unify: (212) [user] pfcGetSearch(_489706)
Call: (213) [t_l] t_l:pfcSearchTL(_491556)
Fail: (213) [t_l] t_l:pfcSearchTL(_491556)
^ Redo: (212) [user] pfcGetSearch(_489706)
^ Call: (213) [user] pfcSearch(_494330)
^ Unify: (213) [user] pfcSearch(direct)
^ Exit: (213) [user] pfcSearch(direct)
Call: (213) [system] _489706=direct
Exit: (213) [system] direct=direct
^ Exit: (212) [user] pfcGetSearch(direct)
^ Call: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (213) [system] direct=direct
Exit: (213) [system] direct=direct
^ Call: (213) [user] pfcFwd('next-operation'(op(+, =, memq)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, memq)))
^ Call: (214) [user] control_arg_types('next-operation'(op(+, =, memq)), _518804)
^ Unify: (214) [user] control_arg_types('next-operation'(op(+, =, memq)), _518804)
Call: (215) [system] fail
Fail: (215) [system] fail
^ Fail: (214) [user] control_arg_types('next-operation'(op(+, =, memq)), _518804)
^ Redo: (213) [user] pfcFwd('next-operation'(op(+, =, memq)))
^ Unify: (213) [user] pfcFwd('next-operation'(op(+, =, memq)))
^ Call: (214) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(+, =, memq))))
^ Unify: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, memq))))
^ Call: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, memq))), user:each_call_cleanup)
^ Unify: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, memq))), user:each_call_cleanup)
Call: (216) [system] current_prolog_flag(occurs_check, _9026)
Exit: (216) [system] current_prolog_flag(occurs_check, true)
^ Call: (216) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, memq))), user:set_prolog_flag(occurs_check, true))
^ Unify: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, memq))), user:set_prolog_flag(occurs_check, true))
Call: (217) [system] true==true
Exit: (217) [system] true==true
^ Call: (217) [user] pfcFwd0('next-operation'(op(+, =, memq)))
^ Unify: (217) [user] pfcFwd0('next-operation'(op(+, =, memq)))
Call: (218) [system] is_list(_16522)
Fail: (218) [system] is_list(_16522)
^ Redo: (217) [user] pfcFwd0('next-operation'(op(+, =, memq)))
^ Call: (218) [user] pfcFwd1('next-operation'(op(+, =, memq)))
^ Unify: (218) [user] pfcFwd1('next-operation'(op(+, =, memq)))
^ Call: (219) [user] fc_rule_check('next-operation'(op(+, =, memq)))
^ Unify: (219) [user] fc_rule_check('next-operation'(op(+, =, memq)))
^ Exit: (219) [user] fc_rule_check('next-operation'(op(+, =, memq)))
Call: (219) [system] copy_term('next-operation'(op(+, =, memq)), _23916)
Exit: (219) [system] copy_term('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Call: (219) [user] ignore(fcpt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq))))
^ Unify: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq))))
^ Call: (220) [user] fcpt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Call: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Unify: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Call: (222) [user] clause('$pt$'('next-operation'(op(+, =, memq)), _29508), true)
^ Fail: (222) [user] clause('$pt$'('next-operation'(op(+, =, memq)), _29508), true)
^ Redo: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Call: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (223) [system] var('$pt$'('next-operation'(op(+, =, memq)), _29508))
Fail: (223) [system] var('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (223) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Exit: (223) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, memq)), _29508), imported_from(system))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), imported_from(system))
Call: (224) [system] nonvar(imported_from(system))
Exit: (224) [system] nonvar(imported_from(system))
Call: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Unify: (224) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), imported_from(system))
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, memq)), _29508), built_in)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), built_in)
Call: (224) [system] nonvar(built_in)
Exit: (224) [system] nonvar(built_in)
Call: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Unify: (224) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, memq)), _29508), _66578, _66580)
Unify: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, memq)), _29508), _66578, _66580)
Call: (226) [system] compound('$pt$'('next-operation'(op(+, =, memq)), _29508))
Exit: (226) [system] compound('$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, memq)), _29508), _66578, _66580)
Exit: (226) [system] compound_name_arity('$pt$'('next-operation'(op(+, =, memq)), _29508), '$pt$', 2)
Exit: (225) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(+, =, memq)), _29508), '$pt$', 2)
^ Call: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (225) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), built_in)
^ Redo: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, memq)), _29508), _77820)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), _78760)
Call: (224) [system] nonvar(_79618)
^ Redo: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), _80620)
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), _81554)
Call: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Unify: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (225) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Exit: (225) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (225) [system] atom(user)
Exit: (225) [system] atom(user)
Exit: (224) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), interpreted)
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Call: (223) [user] predicate_property('$pt$'('next-operation'(op(+, =, memq)), _29508), number_of_clauses(_90748))
^ Unify: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), number_of_clauses(_90748))
Call: (224) [system] nonvar(number_of_clauses(_90748))
Exit: (224) [system] nonvar(number_of_clauses(_90748))
Call: (224) [$syspreds] property_predicate(number_of_clauses(_90748), user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Unify: (224) [$syspreds] property_predicate(number_of_clauses(_90748), user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (226) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Exit: (226) [system] callable('$pt$'('next-operation'(op(+, =, memq)), _29508))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
Exit: (224) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Exit: (223) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(+, =, memq)), _29508), number_of_clauses(0))
^ Unify: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Call: (223) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _105592), (prolog_current_choice(_105602), push_current_choice(_105602), clause('$pt$'('next-operation'(op(+, =, memq)), _29508), _105624), pfc_call(_105624)), nb_setval('$pfc_current_choice', _105592))
^ Unify: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _105592), user:(prolog_current_choice(_105602), push_current_choice(_105602), clause('$pt$'('next-operation'(op(+, =, memq)), _29508), _105624), pfc_call(_105624)), user:nb_setval('$pfc_current_choice', _105592))
^ Call: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', _105592))
Call: (226) [system] nb_current('$pfc_current_choice', _105592)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
^ Exit: (224) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (225) [system] prolog_current_choice(_105602)
Exit: (225) [system] prolog_current_choice(2931)
^ Call: (225) [user] push_current_choice(2931)
^ Unify: (225) [user] push_current_choice(2931)
Call: (226) [system] nb_current('$pfc_current_choice', _114942)
Exit: (226) [system] nb_current('$pfc_current_choice', [])
Call: (226) [system] b_setval('$pfc_current_choice', [2931])
Exit: (226) [system] b_setval('$pfc_current_choice', [2931])
^ Exit: (225) [user] push_current_choice(2931)
^ Call: (225) [user] clause('$pt$'('next-operation'(op(+, =, memq)), _29508), _105624)
^ Fail: (225) [user] clause('$pt$'('next-operation'(op(+, =, memq)), _29508), _105624)
Call: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (226) [system] duplicate_term([], _123314)
Exit: (226) [system] duplicate_term([], [])
Call: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [system] nb_linkval('$pfc_current_choice', [])
Exit: (225) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (223) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _105592), user:(prolog_current_choice(_105602), push_current_choice(_105602), clause('$pt$'('next-operation'(op(+, =, memq)), _29508), _105624), pfc_call(_105624)), user:nb_setval('$pfc_current_choice', _105592))
^ Fail: (222) [user] pfc_call('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Fail: (221) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(+, =, memq)), _29508))
^ Redo: (220) [user] fcpt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Unify: (220) [user] fcpt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Exit: (220) [user] fcpt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Exit: (219) [system] ignore(user:fcpt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq))))
^ Call: (219) [user] ignore(fcnt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq))))
^ Unify: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq))))
^ Call: (220) [user] fcnt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Call: (221) [user] pfc_spft(_138184, _138270, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192))
^ Unify: (221) [user] pfc_spft(_138184, _139202, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192))
^ Call: (222) [user] pfcCallSystem('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Unify: (222) [user] pfcCallSystem('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Call: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Unify: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (224) [system] var('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Fail: (224) [system] var('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Redo: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Unify: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (224) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Exit: (224) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Unify: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Redo: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Unify: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Call: (224) [user] predicate_property('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (227) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Exit: (227) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), imported_from(system))
^ Redo: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Unify: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Call: (224) [user] predicate_property('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (226) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Exit: (226) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (226) [$syspreds] goal_name_arity('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _174342, _174344)
Unify: (226) [$syspreds] goal_name_arity('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _174342, _174344)
Call: (227) [system] compound('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Exit: (227) [system] compound('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (227) [system] compound_name_arity('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _174342, _174344)
Exit: (227) [system] compound_name_arity('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), '$spft$', 3)
Exit: (226) [$syspreds] goal_name_arity('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), '$spft$', 3)
^ Call: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (226) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), built_in)
^ Redo: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Unify: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Call: (224) [user] predicate_property('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _185584)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _186524)
Call: (225) [system] nonvar(_187382)
^ Redo: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _188384)
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _189318)
Call: (225) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Unify: (225) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (226) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Exit: (226) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), interpreted)
^ Unify: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Call: (224) [user] predicate_property('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), number_of_clauses(_198512))
^ Unify: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), number_of_clauses(_198512))
Call: (225) [system] nonvar(number_of_clauses(_198512))
Exit: (225) [system] nonvar(number_of_clauses(_198512))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_198512), user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_198512), user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (227) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Exit: (227) [system] callable('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(775), user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Exit: (224) [$syspreds] predicate_property(user:'$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), number_of_clauses(775))
^ Unify: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _213356), (prolog_current_choice(_213366), push_current_choice(_213366), clause('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _213388), pfc_call(_213388)), nb_setval('$pfc_current_choice', _213356))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _213356), user:(prolog_current_choice(_213366), push_current_choice(_213366), clause('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _213388), pfc_call(_213388)), user:nb_setval('$pfc_current_choice', _213356))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _213356))
Call: (227) [system] nb_current('$pfc_current_choice', _213356)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_213366)
Exit: (226) [system] prolog_current_choice(2951)
^ Call: (226) [user] push_current_choice(2951)
^ Unify: (226) [user] push_current_choice(2951)
Call: (227) [system] nb_current('$pfc_current_choice', _222706)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2951])
Exit: (227) [system] b_setval('$pfc_current_choice', [2951])
^ Exit: (226) [user] push_current_choice(2951)
^ Call: (226) [user] clause('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _213388)
^ Fail: (226) [user] clause('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _213388)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _231078)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _213356), user:(prolog_current_choice(_213366), push_current_choice(_213366), clause('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)), _213388), pfc_call(_213388)), user:nb_setval('$pfc_current_choice', _213356))
^ Fail: (223) [user] pfc_call('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Fail: (222) [user] pfcCallSystem('$spft$'(_138184, _140062, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192)))
^ Fail: (221) [user] pfc_spft(_138184, _238582, '$nt$'('next-operation'(op(+, =, memq)), _138190, _138192))
^ Redo: (220) [user] fcnt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Unify: (220) [user] fcnt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Exit: (220) [user] fcnt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq)))
^ Exit: (219) [system] ignore(user:fcnt('next-operation'(op(+, =, memq)), 'next-operation'(op(+, =, memq))))
^ Exit: (218) [user] pfcFwd1('next-operation'(op(+, =, memq)))
^ Exit: (217) [user] pfcFwd0('next-operation'(op(+, =, memq)))
^ Exit: (216) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, memq))), user:set_prolog_flag(occurs_check, true))
^ Exit: (215) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, memq))), user:each_call_cleanup)
^ Exit: (214) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(+, =, memq))))
^ Exit: (213) [user] pfcFwd('next-operation'(op(+, =, memq)))
^ Exit: (212) [user] pfcEnqueue(direct, 'next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcEnqueue('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcEnqueue('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (208) [user] pfcPost2('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (207) [user] pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3742, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_3742)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (204) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3742, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_3742)), trace)), user:each_call_cleanup)
^ Exit: (203) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3742, (notrace, wdmsg(('next-operation'(op(+, =, memq))=>_3742)), trace)))
^ Exit: (202) [user] pfcPost1('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (201) [user] pfcPost_rev((P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(+, =, memq)))
^ Exit: (200) [user] pfcPost('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (200) [user] pfcRun
^ Unify: (200) [user] pfcRun
^ Call: (201) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcGetSearch(direct)
Call: (202) [t_l] t_l:pfcSearchTL(_336108)
Fail: (202) [t_l] t_l:pfcSearchTL(_336108)
^ Redo: (201) [user] pfcGetSearch(direct)
^ Call: (202) [user] pfcSearch(_338882)
^ Unify: (202) [user] pfcSearch(direct)
^ Exit: (202) [user] pfcSearch(direct)
Call: (202) [system] direct=direct
Exit: (202) [system] direct=direct
^ Exit: (201) [user] pfcGetSearch(direct)
^ Unify: (200) [user] pfcRun
^ Exit: (200) [user] pfcRun
^ Exit: (199) [user] pfcAdd('next-operation'(op(+, =, memq)), (P;HTML|mfl4(_3718, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (198) [user] pfcAdd('next-operation'(op(+, =, memq)))
^ Exit: (197) [user] pfcAdd_Now('next-operation'(op(+, =, memq)))
^ Exit: (196) [user] if_t(into_simple_op(+, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], op(+, =, memq)), pfcAdd_Now('next-operation'(op(+, =, memq))))
Call: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]), _3422))
Unify: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]), _3422))
^ Call: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]), _3422)
^ Unify: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]), _3422)
Call: (199) [system] asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])\=[_360368|_360370]
Exit: (199) [system] asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])\=[_360368|_360370]
^ Call: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]))*->_3422='True';_3422='False'))
^ Unify: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]))*->_3422='True';_3422='False'))
Call: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]))*->_3422='True';_3422='False'), error(_364106, _364108), fail)
Unify: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]))*->_3422='True';_3422='False'), error(_364106, _364108), fail)
Call: (203) [user] asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Unify: (203) [user] asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Call: (204) [user] metta_interp_mode(+, _367822)
Unify: (204) [user] metta_interp_mode(+, load)
Exit: (204) [user] metta_interp_mode(+, load)
Call: (204) [user] asserted_do_metta('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Call: (205) [user] metta_interp_mode(load, _372412)
Redo: (204) [user] asserted_do_metta('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Call: (205) [system] load==exec
Redo: (204) [user] asserted_do_metta('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Unify: (204) [user] asserted_do_metta('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Call: (205) [user] asserted_do_metta2('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Call: (206) [system] nonvar(load)
Exit: (206) [system] nonvar(load)
Call: (206) [user] metta_interp_mode(load, _381634)
Redo: (205) [user] asserted_do_metta2('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Unify: (205) [user] asserted_do_metta2('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
^ Call: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], metta_atom('&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], metta_atom('&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])))
^ Call: (207) [user] is_compatio
^ Unify: (207) [user] is_compatio
^ Call: (209) [system] setup_call_cleanup('$notrace'(_388110, _388112), once(user:is_compatio0), '$restore_trace'(_388110, _388112))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_388110, _388112), system:once(user:is_compatio0), system:'$restore_trace'(_388110, _388112))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_388110, _388112))
^ Fail: (207) [user] is_compatio
^ Redo: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], metta_atom('&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])))
^ Unify: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], metta_atom('&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])))
^ Call: (208) [rtrace] rtrace:quietly3(user:(wots(_393728, must_det_ll(user:metta_anew(load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], metta_atom('&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])))), (_393728==""->true;our_ansi_format('#ffa505', '~w~n', [_393728]))))
^ Unify: (208) [rtrace] rtrace:quietly3(user:(wots(_393728, must_det_ll(user:metta_anew(load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], metta_atom('&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])))), (_393728==""->true;our_ansi_format('#ffa505', '~w~n', [_393728]))))
(=
(memq $item $x)
(if
(null-list? $x) False
(if
(== $item
(car-list $x)) $x
(memq $item
(cdr-list $x)))))
^ Exit: (208) [rtrace] rtrace:quietly3(user:(wots("", must_det_ll(user:metta_anew(load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], metta_atom('&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])))), (""==""->true;our_ansi_format('#ffa505', '~w~n', [""]))))
^ Exit: (206) [user] color_g_mesg_ok('#ffa505', metta_anew(load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], metta_atom('&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])))
Exit: (205) [user] asserted_do_metta2('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Exit: (204) [user] asserted_do_metta('&self', load, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Exit: (203) [user] asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]])
Call: (203) [system] _3422='True'
Exit: (203) [system] 'True'='True'
Exit: (200) [user] catch_err((call(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]))*->'True'='True';'True'='False'), error(_364106, _364108), fail)
^ Exit: (199) [user] catch_nowarn((call(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]))*->'True'='True';'True'='False'))
^ Exit: (198) [user] as_tf(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]), 'True')
Exit: (196) [user] dont_give_up(as_tf(asserted_do_metta('&self', +, [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]]), 'True'))
Exit: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], 'True')
^ Exit: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', [=, [memq, _item, _x], [if, ['null-list?', _x], 'False', [if, [==, _item, ['car-list', _x]], _x, [memq, _item, ['cdr-list', _x]]]]], 'True'))
^ Redo: (193) [user] metta_file_buffer(_3374, _3376, _3378, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _3382)
^ Unify: (193) [user] metta_file_buffer(+, exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1552, 78, 41, 1552))
^ Exit: (193) [user] metta_file_buffer(+, exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), [], P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', '$stream_position'(1552, 78, 41, 1552))
^ Call: (194) [user] apply:maplist(maybe_assign, [])
^ Unify: (194) [apply] apply:maplist(user:maybe_assign, [])
Call: (195) [apply] apply:maplist_([], user:maybe_assign)
Unify: (195) [apply] apply:maplist_([], user:maybe_assign)
Exit: (195) [apply] apply:maplist_([], user:maybe_assign)
^ Exit: (194) [apply] apply:maplist(user:maybe_assign, [])
^ Call: (194) [user] must_not_error(do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422))
^ Unify: (194) [user] must_not_error(user:do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422))
Call: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422)
Call: (196) [system] var(exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422)
Call: (196) [system] (+)\==exec
Exit: (196) [system] (+)\==exec
Call: (196) [system] exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])==[]
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422)
Call: (196) [system] string(exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
Redo: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422)
Unify: (195) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), +, '&self', exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']), _3422)
Call: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Call: (197) [system] var([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Call: (197) [system] exec\==exec
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Call: (197) [system] string([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Call: (197) [system] exec\==exec
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
^ Call: (197) [user] must_det_ll(inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Unify: (197) [user] must_det_ll(user:inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (198) [user] once(user:inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Unify: (198) [system] once(user:inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (199) [user] inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Unify: (199) [user] inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Call: (200) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _54876))
^ Exit: (200) [user] retract(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 0))
Call: (200) [system] _64544 is 0+1
Exit: (200) [system] 1 is 0+1
^ Call: (200) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (200) [user] asserta(file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (199) [user] inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Exit: (198) [system] once(user:inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Exit: (197) [user] must_det_ll(user:inc_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'))
^ Call: (197) [user] must_det_ll(get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _90550))
^ Unify: (197) [user] must_det_ll(user:get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _90550))
^ Call: (198) [user] once(user:get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _90550))
^ Unify: (198) [system] once(user:get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _90550))
^ Call: (199) [user] get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _90550)
^ Unify: (199) [user] get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _90550)
^ Call: (200) [user] file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _119522)
^ Unify: (200) [user] file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
^ Exit: (200) [user] file_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
Call: (200) [system] _90550=1
Exit: (200) [system] 1=1
^ Exit: (199) [user] get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1)
^ Exit: (198) [system] once(user:get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Exit: (197) [user] must_det_ll(user:get_exec_num(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1))
^ Call: (197) [user] must_det_ll(1>0)
^ Unify: (197) [user] must_det_ll(user:(1>0))
^ Call: (198) [user] once(user:(1>0))
^ Unify: (198) [system] once(user:(1>0))
Call: (199) [system] 1>0
Exit: (199) [system] 1>0
^ Exit: (198) [system] once(user:(1>0))
^ Exit: (197) [user] must_det_ll(user:(1>0))
^ Call: (197) [user] is_synthing_unit_tests
^ Unify: (197) [user] is_synthing_unit_tests
^ Call: (199) [system] setup_call_cleanup('$notrace'(_159616, _159618), once(user:is_synthing_unit_tests0), '$restore_trace'(_159616, _159618))
^ Unify: (199) [system] setup_call_cleanup(system:'$notrace'(_159616, _159618), system:once(user:is_synthing_unit_tests0), system:'$restore_trace'(_159616, _159618))
^ Call: (200) [system] sig_atomic(system:'$notrace'(_159616, _159618))
^ Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:is_synthing_unit_tests0), system:'$restore_trace'(3, -1))
^ Exit: (197) [user] is_synthing_unit_tests
^ Call: (197) [user] file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1, _164354)
^ Fail: (197) [user] file_answers(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1, _164354)
Redo: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Unify: (196) [user] do_metta(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), exec, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
^ Call: (197) [user] if_t(into_simple_op(exec, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _183682), pfcAdd_Now('next-operation'(_183682)))
^ Unify: (197) [user] if_t(into_simple_op(exec, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _183682), pfcAdd_Now('next-operation'(_183682)))
Call: (198) [user] into_simple_op(exec, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _183682)
Unify: (198) [user] into_simple_op(exec, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], op(exec, assertEqual, _186474))
Call: (199) [user] o_s([[memq, apple, [list, [pear, banana, prune]]], 'False'], _186474)
Unify: (199) [user] o_s([[memq, apple, [list, [pear, banana, prune]]], 'False'], _186474)
Call: (200) [user] o_s([memq, apple, [list, [pear, banana, prune]]], _186474)
Unify: (200) [user] o_s([memq, apple, [list, [pear, banana, prune]]], _186474)
Call: (201) [user] o_s(memq, _186474)
Unify: (201) [user] o_s(memq, memq)
Exit: (201) [user] o_s(memq, memq)
Exit: (200) [user] o_s([memq, apple, [list, [pear, banana, prune]]], memq)
Exit: (199) [user] o_s([[memq, apple, [list, [pear, banana, prune]]], 'False'], memq)
Exit: (198) [user] into_simple_op(exec, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], op(exec, assertEqual, memq))
^ Call: (198) [user] pfcAdd_Now('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (198) [user] pfcAdd_Now('next-operation'(op(exec, assertEqual, memq)))
^ Call: (199) [user] current_predicate(pfcAdd/1)
^ Exit: (199) [user] current_predicate(pfcAdd/1)
^ Call: (199) [user] once_writeq_nl(pfcAdd('next-operation'(op(exec, assertEqual, memq))))
^ Unify: (199) [user] once_writeq_nl(pfcAdd('next-operation'(op(exec, assertEqual, memq))))
^ Call: (200) [user] clause(pfcTraceExecution, true)
^ Fail: (200) [user] clause(pfcTraceExecution, true)
^ Redo: (199) [user] once_writeq_nl(pfcAdd('next-operation'(op(exec, assertEqual, memq))))
^ Exit: (199) [user] once_writeq_nl(pfcAdd('next-operation'(op(exec, assertEqual, memq))))
^ Call: (199) [user] pfcAdd('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (199) [user] pfcAdd('next-operation'(op(exec, assertEqual, memq)))
^ Call: (200) [user] must_ex(current_why_UU(_207692))
^ Unify: (200) [user] must_ex(current_why_UU(_207692))
Call: (202) [user] current_why_UU(_207692)
Unify: (202) [user] current_why_UU(_207692)
^ Call: (203) [user] get_why_uu(_207692)
^ Unify: (203) [user] get_why_uu(_207692)
^ Call: (204) [user] findall(_213232, current_why(_213232), _213238)
^ Unify: (204) [$bags] findall(_213232, user:current_why(_213232), _213238)
^ Call: (205) [$bags] findall(_213232, user:current_why(_213232), _213238, [])
^ Unify: (205) [$bags] findall(_213232, user:current_why(_213232), _213238, [])
^ Call: (206) [$bags] cleanup_bag(findall_loop(_213232, user:current_why(_213232), _213238, []), '$destroy_findall_bag')
^ Unify: (206) [$bags] cleanup_bag('$bags':findall_loop(_213232, user:current_why(_213232), _213238, []), '$bags':'$destroy_findall_bag')
Call: (207) [$bags] findall_loop(_213232, user:current_why(_213232), _213238, [])
Unify: (207) [$bags] findall_loop(_213232, user:current_why(_213232), _213238, [])
^ Call: (208) [user] bugger:current_why(_213232)
^ Unify: (208) [user] bugger:current_why(_213232)
^ Call: (209) [user] bugger:current_why_data(_213232)
^ Unify: (209) [user] bugger:current_why_data(_213232)
Call: (210) [system] nb_current('$current_why', wp(_213232, _224492))
Fail: (210) [system] nb_current('$current_why', wp(_213232, _224492))
^ Redo: (209) [user] bugger:current_why_data(_213232)
^ Unify: (209) [user] bugger:current_why_data(_213232)
Call: (210) [t_l] t_l:current_why_source(_213232)
Fail: (210) [t_l] t_l:current_why_source(_213232)
^ Fail: (209) [user] bugger:current_why_data(_213232)
^ Redo: (208) [user] bugger:current_why(_213232)
^ Unify: (208) [user] bugger:current_why(mfl4(_231920, _231922, _231924, _231926))
^ Call: (210) [system] setup_call_cleanup('$notrace'(_232876, _232878), once(user:current_mfl4(_231920, _231922, _231924, _231926)), '$restore_trace'(_232876, _232878))
^ Unify: (210) [system] setup_call_cleanup(system:'$notrace'(_232876, _232878), system:once(user:current_mfl4(_231920, _231922, _231924, _231926)), system:'$restore_trace'(_232876, _232878))
^ Call: (211) [system] sig_atomic(system:'$notrace'(_232876, _232878))
^ Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:current_mfl4(_231920, user, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1189)), system:'$restore_trace'(3, -1))
^ Exit: (208) [user] bugger:current_why(P;HTML|mfl4(_231920, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Redo: (207) [$bags] findall_loop(_213232, user:current_why(_213232), _213238, [])
Exit: (207) [$bags] findall_loop(_213232, user:current_why(_213232), [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (206) [$bags] cleanup_bag('$bags':findall_loop(_213232, user:current_why(_213232), [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], []), '$bags':'$destroy_findall_bag')
^ Exit: (205) [$bags] findall(_213232, user:current_why(_213232), [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [])
^ Exit: (204) [$bags] findall(_213232, user:current_why(_213232), [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (204) [system] [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
Exit: (204) [system] [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]\==[]
^ Call: (204) [user] u_to_uu([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _207692)
^ Unify: (204) [user] u_to_uu([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], ax))
Call: (205) [system] var([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (205) [system] var([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (204) [user] u_to_uu([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _207692)
^ Unify: (204) [user] u_to_uu([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (205) [system] nonvar([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (205) [system] nonvar([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (205) [system] [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_369622, _369624)
Fail: (205) [system] [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]=(_369622, _369624)
^ Redo: (204) [user] u_to_uu([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _207692)
^ Unify: (204) [user] u_to_uu([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _207692)
^ Call: (205) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _400056)
^ Unify: (205) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _400056)
^ Call: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _400056)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Call: (207) [system] var([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Fail: (207) [system] var([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _400056)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Call: (207) [user] not(compound([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Unify: (207) [system] not(user:compound([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
Call: (208) [system] compound([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
Exit: (208) [system] compound([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)])
^ Fail: (207) [system] not(user:compound([P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)]))
^ Redo: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _400056)
^ Unify: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_249738, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], _3658)
^ Call: (207) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (207) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (208) [system] var(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (208) [system] var(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (207) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (207) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (208) [user] not(compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Unify: (208) [system] not(user:compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
Call: (209) [system] compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (209) [system] compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Fail: (208) [system] not(user:compound(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)))
^ Redo: (207) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3658)
^ Unify: (207) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (207) [user] logicmoo_util_terms:list_to_conjuncts(',', P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (206) [user] logicmoo_util_terms:list_to_conjuncts(',', [P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Exit: (205) [user] logicmoo_util_terms:list_to_conjuncts([P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Call: (205) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3612)
^ Unify: (205) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (206) [system] var(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Fail: (206) [system] var(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
^ Redo: (205) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3612)
^ Unify: (205) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (206) [system] nonvar(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Exit: (206) [system] nonvar(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189))
Call: (206) [system] P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_244554, _244556)
Fail: (206) [system] P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)=(_244554, _244556)
^ Redo: (205) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), _3612)
^ Unify: (205) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (205) [user] u_to_uu(P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (204) [user] u_to_uu([P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189)], (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (203) [user] get_why_uu((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Exit: (202) [user] current_why_UU((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (200) [user] must_ex(current_why_UU((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (200) [user] pfcAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (200) [user] pfcAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcPost('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (201) [user] pfcPost('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (202) [user] pfcPost_rev((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(exec, assertEqual, memq)))
^ Unify: (202) [user] pfcPost_rev((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(exec, assertEqual, memq)))
Call: (203) [system] is_list('next-operation'(op(exec, assertEqual, memq)))
Fail: (203) [system] is_list('next-operation'(op(exec, assertEqual, memq)))
^ Redo: (202) [user] pfcPost_rev((P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(exec, assertEqual, memq)))
^ Call: (203) [user] pfcPost1('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (203) [user] pfcPost1('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (204) [user] control_arg_types('next-operation'(op(exec, assertEqual, memq)), _403288)
^ Unify: (204) [user] control_arg_types('next-operation'(op(exec, assertEqual, memq)), _403288)
Call: (205) [system] fail
Fail: (205) [system] fail
^ Fail: (204) [user] control_arg_types('next-operation'(op(exec, assertEqual, memq)), _403288)
^ Redo: (203) [user] pfcPost1('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (203) [user] pfcPost1('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (204) [user] locally_each:locally(set_prolog_flag(occurs_check, true), catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _423124, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_423124)), trace)))
^ Unify: (204) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _423124, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_423124)), trace)))
^ Call: (205) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _423124, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_423124)), trace)), user:each_call_cleanup)
^ Unify: (205) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _423124, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_423124)), trace)), user:each_call_cleanup)
Call: (206) [system] current_prolog_flag(occurs_check, _453646)
Exit: (206) [system] current_prolog_flag(occurs_check, true)
^ Call: (206) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _423124, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_423124)), trace)), user:set_prolog_flag(occurs_check, true))
^ Unify: (206) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _423124, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_423124)), trace)), user:set_prolog_flag(occurs_check, true))
Call: (207) [system] true==true
Exit: (207) [system] true==true
^ Call: (208) [user] pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (208) [user] pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (209) [user] must_ex(pfcAddSupport('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (209) [user] must_ex(pfcAddSupport('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (211) [user] pfcAddSupport('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (211) [user] pfcAddSupport('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (212) [user] assert('$spft$'('next-operation'(op(exec, assertEqual, memq)), P;HTML|mfl4(_3638, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] assert('$spft$'('next-operation'(op(exec, assertEqual, memq)), P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (211) [user] pfcAddSupport('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (209) [user] must_ex(pfcAddSupport('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (209) [user] pfcUnique(post, 'next-operation'(op(exec, assertEqual, memq)))
^ Unify: (209) [user] pfcUnique(post, 'next-operation'(op(exec, assertEqual, memq)))
^ Call: (210) [user] pfcUnique(post, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Unify: (210) [user] pfcUnique(post, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Call: (211) [user] is_asserted_exact('next-operation'(op(exec, assertEqual, memq)), true)
^ Unify: (211) [user] is_asserted_exact('next-operation'(op(exec, assertEqual, memq)), true)
^ Call: (212) [user] strip_module('next-operation'(op(exec, assertEqual, memq)), _36018, _36020)
^ Exit: (212) [user] strip_module('next-operation'(op(exec, assertEqual, memq)), user, 'next-operation'(op(exec, assertEqual, memq)))
^ Call: (212) [user] is_asserted_exact(user, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Unify: (212) [user] is_asserted_exact(user, 'next-operation'(op(exec, assertEqual, memq)), true)
Call: (213) [system] _39762=user
Exit: (213) [system] user=user
^ Call: (213) [user] clause(user:'next-operation'(op(exec, assertEqual, memq)), true, _41632)
^ Fail: (213) [user] clause('next-operation'(op(exec, assertEqual, memq)), true, _41632)
^ Redo: (212) [user] is_asserted_exact(user, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Call: (213) [user] clause(user:'next-operation'(op(exec, assertEqual, memq)), true, _44460)
^ Fail: (213) [user] clause('next-operation'(op(exec, assertEqual, memq)), true, _44460)
^ Fail: (212) [user] is_asserted_exact(user, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Fail: (211) [user] is_asserted_exact('next-operation'(op(exec, assertEqual, memq)), true)
^ Redo: (210) [user] pfcUnique(post, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Exit: (210) [user] pfcUnique(post, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Exit: (209) [user] pfcUnique(post, 'next-operation'(op(exec, assertEqual, memq)))
^ Call: (209) [user] pfcPost2('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (209) [user] pfcPost2('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (210) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(exec, assertEqual, memq)));assert('next-operation'(op(exec, assertEqual, memq))))))
^ Unify: (210) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(exec, assertEqual, memq)));assert('next-operation'(op(exec, assertEqual, memq))))))
^ Call: (212) [user] once((\+ \+is_asserted_exact('next-operation'(op(exec, assertEqual, memq)));assert('next-operation'(op(exec, assertEqual, memq)))))
^ Unify: (212) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(exec, assertEqual, memq)));assert('next-operation'(op(exec, assertEqual, memq)))))
^ Call: (214) [user] is_asserted_exact('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (214) [user] is_asserted_exact('next-operation'(op(exec, assertEqual, memq)))
^ Call: (215) [user] strip_module('next-operation'(op(exec, assertEqual, memq)), _71810, _71812)
^ Exit: (215) [user] strip_module('next-operation'(op(exec, assertEqual, memq)), user, 'next-operation'(op(exec, assertEqual, memq)))
^ Call: (215) [user] hook_database:expand_to_hb('next-operation'(op(exec, assertEqual, memq)), _73690, _73692)
^ Unify: (215) [user] hook_database:expand_to_hb('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)), true)
Call: (216) [system] var('next-operation'(op(exec, assertEqual, memq)))
Fail: (216) [system] var('next-operation'(op(exec, assertEqual, memq)))
^ Redo: (215) [user] hook_database:expand_to_hb('next-operation'(op(exec, assertEqual, memq)), _73690, _73692)
^ Unify: (215) [user] hook_database:expand_to_hb('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)), true)
^ Exit: (215) [user] hook_database:expand_to_hb('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)), true)
^ Call: (215) [user] is_asserted_exact(user, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Unify: (215) [user] is_asserted_exact(user, 'next-operation'(op(exec, assertEqual, memq)), true)
Call: (216) [system] _82096=user
Exit: (216) [system] user=user
^ Call: (216) [user] clause(user:'next-operation'(op(exec, assertEqual, memq)), true, _83966)
^ Fail: (216) [user] clause('next-operation'(op(exec, assertEqual, memq)), true, _83966)
^ Redo: (215) [user] is_asserted_exact(user, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Call: (216) [user] clause(user:'next-operation'(op(exec, assertEqual, memq)), true, _86794)
^ Fail: (216) [user] clause('next-operation'(op(exec, assertEqual, memq)), true, _86794)
^ Fail: (215) [user] is_asserted_exact(user, 'next-operation'(op(exec, assertEqual, memq)), true)
^ Fail: (214) [user] is_asserted_exact('next-operation'(op(exec, assertEqual, memq)))
^ Call: (214) [user] assert('next-operation'(op(exec, assertEqual, memq)))
^ Exit: (214) [user] assert('next-operation'(op(exec, assertEqual, memq)))
^ Exit: (212) [system] once(user:(\+ \+is_asserted_exact('next-operation'(op(exec, assertEqual, memq)));assert('next-operation'(op(exec, assertEqual, memq)))))
^ Exit: (210) [user] must_ex(once((\+ \+is_asserted_exact('next-operation'(op(exec, assertEqual, memq)));assert('next-operation'(op(exec, assertEqual, memq))))))
^ Call: (210) [user] must_ex(pfcTraceAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (210) [user] must_ex(pfcTraceAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (212) [user] pfcTraceAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcTraceAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcTraceAddPrint('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (213) [user] pfcTraceAddPrint('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (214) [user] pfcIsTraced('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (214) [user] pfcIsTraced('next-operation'(op(exec, assertEqual, memq)))
^ Call: (215) [user] pfcIsNotTraced('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (215) [user] pfcIsNotTraced('next-operation'(op(exec, assertEqual, memq)))
^ Call: (216) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _143584)
^ Unify: (216) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _143584)
Call: (217) [system] var('next-operation'(op(exec, assertEqual, memq)))
Fail: (217) [system] var('next-operation'(op(exec, assertEqual, memq)))
^ Redo: (216) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _143584)
^ Unify: (216) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _143584)
Call: (217) [system] compound('next-operation'(op(exec, assertEqual, memq)))
Exit: (217) [system] compound('next-operation'(op(exec, assertEqual, memq)))
Call: (217) [system] 1<1
Fail: (217) [system] 1<1
^ Redo: (216) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _143584)
^ Unify: (216) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _143584)
Call: (217) [system] _154736 is 1+ -1
Exit: (217) [system] 0 is 1+ -1
^ Call: (217) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), _156594)
^ Unify: (217) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), _156594)
Call: (218) [system] is_list('next-operation'(op(exec, assertEqual, memq)))
Fail: (218) [system] is_list('next-operation'(op(exec, assertEqual, memq)))
^ Redo: (217) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), _156594)
^ Unify: (217) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), _156594)
Call: (218) [system] compound('next-operation'(op(exec, assertEqual, memq)))
Exit: (218) [system] compound('next-operation'(op(exec, assertEqual, memq)))
Call: (218) [system] compound_name_arguments('next-operation'(op(exec, assertEqual, memq)), _164004, _164006)
Exit: (218) [system] compound_name_arguments('next-operation'(op(exec, assertEqual, memq)), 'next-operation', [op(exec, assertEqual, memq)])
Call: (218) [lists] lists:member(_156594, ['next-operation', op(exec, assertEqual, memq)])
Unify: (218) [lists] lists:member(_156594, ['next-operation', op(exec, assertEqual, memq)])
Call: (219) [lists] lists:member_([op(exec, assertEqual, memq)], _156594, 'next-operation')
Unify: (219) [lists] lists:member_([op(exec, assertEqual, memq)], 'next-operation', 'next-operation')
Exit: (219) [lists] lists:member_([op(exec, assertEqual, memq)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member('next-operation', ['next-operation', op(exec, assertEqual, memq)])
^ Exit: (217) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), 'next-operation')
^ Call: (217) [user] compound_eles(0, 'next-operation', _143584)
^ Unify: (217) [user] compound_eles(0, 'next-operation', _143584)
Call: (218) [system] var('next-operation')
Fail: (218) [system] var('next-operation')
^ Redo: (217) [user] compound_eles(0, 'next-operation', _143584)
^ Unify: (217) [user] compound_eles(0, 'next-operation', _143584)
Call: (218) [system] compound('next-operation')
Fail: (218) [system] compound('next-operation')
^ Redo: (217) [user] compound_eles(0, 'next-operation', _143584)
Call: (218) [system] _143584='next-operation'
Exit: (218) [system] 'next-operation'='next-operation'
^ Exit: (217) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (216) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), 'next-operation')
^ Call: (216) [user] pfcIgnored('next-operation')
^ Fail: (216) [user] pfcIgnored('next-operation')
Redo: (219) [lists] lists:member_([op(exec, assertEqual, memq)], _156594, 'next-operation')
Unify: (219) [lists] lists:member_([op(exec, assertEqual, memq)], _156594, 'next-operation')
Call: (220) [lists] lists:member_([], _156594, op(exec, assertEqual, memq))
Unify: (220) [lists] lists:member_([], op(exec, assertEqual, memq), op(exec, assertEqual, memq))
Exit: (220) [lists] lists:member_([], op(exec, assertEqual, memq), op(exec, assertEqual, memq))
Exit: (219) [lists] lists:member_([op(exec, assertEqual, memq)], op(exec, assertEqual, memq), 'next-operation')
Exit: (218) [lists] lists:member(op(exec, assertEqual, memq), ['next-operation', op(exec, assertEqual, memq)])
^ Exit: (217) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), op(exec, assertEqual, memq))
^ Call: (217) [user] compound_eles(0, op(exec, assertEqual, memq), _143584)
^ Unify: (217) [user] compound_eles(0, op(exec, assertEqual, memq), _143584)
Call: (218) [system] var(op(exec, assertEqual, memq))
Fail: (218) [system] var(op(exec, assertEqual, memq))
^ Redo: (217) [user] compound_eles(0, op(exec, assertEqual, memq), _143584)
^ Unify: (217) [user] compound_eles(0, op(exec, assertEqual, memq), _143584)
Call: (218) [system] compound(op(exec, assertEqual, memq))
Exit: (218) [system] compound(op(exec, assertEqual, memq))
Call: (218) [system] 0<1
Exit: (218) [system] 0<1
Call: (218) [system] _143584=op(exec, assertEqual, memq)
Exit: (218) [system] op(exec, assertEqual, memq)=op(exec, assertEqual, memq)
^ Exit: (217) [user] compound_eles(0, op(exec, assertEqual, memq), op(exec, assertEqual, memq))
^ Exit: (216) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), op(exec, assertEqual, memq))
^ Call: (216) [user] pfcIgnored(op(exec, assertEqual, memq))
^ Fail: (216) [user] pfcIgnored(op(exec, assertEqual, memq))
^ Fail: (215) [user] pfcIsNotTraced('next-operation'(op(exec, assertEqual, memq)))
^ Redo: (214) [user] pfcIsTraced('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (214) [user] pfcIsTraced('next-operation'(op(exec, assertEqual, memq)))
^ Call: (215) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _211384)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _211384)
Call: (216) [system] var('next-operation'(op(exec, assertEqual, memq)))
Fail: (216) [system] var('next-operation'(op(exec, assertEqual, memq)))
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _211384)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _211384)
Call: (216) [system] compound('next-operation'(op(exec, assertEqual, memq)))
Exit: (216) [system] compound('next-operation'(op(exec, assertEqual, memq)))
Call: (216) [system] 1<1
Fail: (216) [system] 1<1
^ Redo: (215) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _211384)
^ Unify: (215) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), _211384)
Call: (216) [system] _222536 is 1+ -1
Exit: (216) [system] 0 is 1+ -1
^ Call: (216) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), _224394)
^ Unify: (216) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), _224394)
Call: (217) [system] is_list('next-operation'(op(exec, assertEqual, memq)))
Fail: (217) [system] is_list('next-operation'(op(exec, assertEqual, memq)))
^ Redo: (216) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), _224394)
^ Unify: (216) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), _224394)
Call: (217) [system] compound('next-operation'(op(exec, assertEqual, memq)))
Exit: (217) [system] compound('next-operation'(op(exec, assertEqual, memq)))
Call: (217) [system] compound_name_arguments('next-operation'(op(exec, assertEqual, memq)), _231804, _231806)
Exit: (217) [system] compound_name_arguments('next-operation'(op(exec, assertEqual, memq)), 'next-operation', [op(exec, assertEqual, memq)])
Call: (217) [lists] lists:member(_224394, ['next-operation', op(exec, assertEqual, memq)])
Unify: (217) [lists] lists:member(_224394, ['next-operation', op(exec, assertEqual, memq)])
Call: (218) [lists] lists:member_([op(exec, assertEqual, memq)], _224394, 'next-operation')
Unify: (218) [lists] lists:member_([op(exec, assertEqual, memq)], 'next-operation', 'next-operation')
Exit: (218) [lists] lists:member_([op(exec, assertEqual, memq)], 'next-operation', 'next-operation')
Exit: (217) [lists] lists:member('next-operation', ['next-operation', op(exec, assertEqual, memq)])
^ Exit: (216) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), 'next-operation')
^ Call: (216) [user] compound_eles(0, 'next-operation', _211384)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _211384)
Call: (217) [system] var('next-operation')
Fail: (217) [system] var('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _211384)
^ Unify: (216) [user] compound_eles(0, 'next-operation', _211384)
Call: (217) [system] compound('next-operation')
Fail: (217) [system] compound('next-operation')
^ Redo: (216) [user] compound_eles(0, 'next-operation', _211384)
Call: (217) [system] _211384='next-operation'
Exit: (217) [system] 'next-operation'='next-operation'
^ Exit: (216) [user] compound_eles(0, 'next-operation', 'next-operation')
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), 'next-operation')
^ Call: (215) [user] pfcTraced('next-operation')
^ Fail: (215) [user] pfcTraced('next-operation')
Redo: (218) [lists] lists:member_([op(exec, assertEqual, memq)], _224394, 'next-operation')
Unify: (218) [lists] lists:member_([op(exec, assertEqual, memq)], _224394, 'next-operation')
Call: (219) [lists] lists:member_([], _224394, op(exec, assertEqual, memq))
Unify: (219) [lists] lists:member_([], op(exec, assertEqual, memq), op(exec, assertEqual, memq))
Exit: (219) [lists] lists:member_([], op(exec, assertEqual, memq), op(exec, assertEqual, memq))
Exit: (218) [lists] lists:member_([op(exec, assertEqual, memq)], op(exec, assertEqual, memq), 'next-operation')
Exit: (217) [lists] lists:member(op(exec, assertEqual, memq), ['next-operation', op(exec, assertEqual, memq)])
^ Exit: (216) [user] compound_eles('next-operation'(op(exec, assertEqual, memq)), op(exec, assertEqual, memq))
^ Call: (216) [user] compound_eles(0, op(exec, assertEqual, memq), _211384)
^ Unify: (216) [user] compound_eles(0, op(exec, assertEqual, memq), _211384)
Call: (217) [system] var(op(exec, assertEqual, memq))
Fail: (217) [system] var(op(exec, assertEqual, memq))
^ Redo: (216) [user] compound_eles(0, op(exec, assertEqual, memq), _211384)
^ Unify: (216) [user] compound_eles(0, op(exec, assertEqual, memq), _211384)
Call: (217) [system] compound(op(exec, assertEqual, memq))
Exit: (217) [system] compound(op(exec, assertEqual, memq))
Call: (217) [system] 0<1
Exit: (217) [system] 0<1
Call: (217) [system] _211384=op(exec, assertEqual, memq)
Exit: (217) [system] op(exec, assertEqual, memq)=op(exec, assertEqual, memq)
^ Exit: (216) [user] compound_eles(0, op(exec, assertEqual, memq), op(exec, assertEqual, memq))
^ Exit: (215) [user] compound_eles(1, 'next-operation'(op(exec, assertEqual, memq)), op(exec, assertEqual, memq))
^ Call: (215) [user] pfcTraced(op(exec, assertEqual, memq))
^ Fail: (215) [user] pfcTraced(op(exec, assertEqual, memq))
^ Fail: (214) [user] pfcIsTraced('next-operation'(op(exec, assertEqual, memq)))
^ Redo: (213) [user] pfcTraceAddPrint('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (213) [user] pfcTraceAddPrint('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (213) [user] pfcTraceAddPrint('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcTraceBreak('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (213) [user] pfcTraceBreak('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (214) [user] pfcSpied('next-operation'(op(exec, assertEqual, memq)), +)
^ Fail: (214) [user] pfcSpied('next-operation'(op(exec, assertEqual, memq)), +)
^ Redo: (213) [user] pfcTraceBreak('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (213) [user] pfcTraceBreak('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcTraceAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] must_ex(pfcTraceAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (210) [user] must_ex(pfcEnqueue('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Unify: (210) [user] must_ex(pfcEnqueue('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Call: (212) [user] pfcEnqueue('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (212) [user] pfcEnqueue('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (213) [user] pfcGetSearch(_378056)
^ Unify: (213) [user] pfcGetSearch(_378056)
Call: (214) [t_l] t_l:pfcSearchTL(_379906)
Fail: (214) [t_l] t_l:pfcSearchTL(_379906)
^ Redo: (213) [user] pfcGetSearch(_378056)
^ Call: (214) [user] pfcSearch(_382680)
^ Unify: (214) [user] pfcSearch(direct)
^ Exit: (214) [user] pfcSearch(direct)
Call: (214) [system] _378056=direct
Exit: (214) [system] direct=direct
^ Exit: (213) [user] pfcGetSearch(direct)
^ Call: (213) [user] pfcEnqueue(direct, 'next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Unify: (213) [user] pfcEnqueue(direct, 'next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
Call: (214) [system] direct=direct
Exit: (214) [system] direct=direct
^ Call: (214) [user] pfcFwd('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (214) [user] pfcFwd('next-operation'(op(exec, assertEqual, memq)))
^ Call: (215) [user] control_arg_types('next-operation'(op(exec, assertEqual, memq)), _407154)
^ Unify: (215) [user] control_arg_types('next-operation'(op(exec, assertEqual, memq)), _407154)
Call: (216) [system] fail
Fail: (216) [system] fail
^ Fail: (215) [user] control_arg_types('next-operation'(op(exec, assertEqual, memq)), _407154)
^ Redo: (214) [user] pfcFwd('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (214) [user] pfcFwd('next-operation'(op(exec, assertEqual, memq)))
^ Call: (215) [user] locally_each:locally(set_prolog_flag(occurs_check, true), pfcFwd0('next-operation'(op(exec, assertEqual, memq))))
^ Unify: (215) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(exec, assertEqual, memq))))
^ Call: (216) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(exec, assertEqual, memq))), user:each_call_cleanup)
^ Unify: (216) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(exec, assertEqual, memq))), user:each_call_cleanup)
Call: (217) [system] current_prolog_flag(occurs_check, _417416)
Exit: (217) [system] current_prolog_flag(occurs_check, true)
^ Call: (217) [locally_each] locally_each:wtl_how(trusted_redo_call_cleanup, true==true, user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(exec, assertEqual, memq))), user:set_prolog_flag(occurs_check, true))
^ Unify: (217) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(exec, assertEqual, memq))), user:set_prolog_flag(occurs_check, true))
Call: (218) [system] true==true
Exit: (218) [system] true==true
^ Call: (218) [user] pfcFwd0('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (218) [user] pfcFwd0('next-operation'(op(exec, assertEqual, memq)))
Call: (219) [system] is_list(_424912)
Fail: (219) [system] is_list(_424912)
^ Redo: (218) [user] pfcFwd0('next-operation'(op(exec, assertEqual, memq)))
^ Call: (219) [user] pfcFwd1('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (219) [user] pfcFwd1('next-operation'(op(exec, assertEqual, memq)))
^ Call: (220) [user] fc_rule_check('next-operation'(op(exec, assertEqual, memq)))
^ Unify: (220) [user] fc_rule_check('next-operation'(op(exec, assertEqual, memq)))
^ Exit: (220) [user] fc_rule_check('next-operation'(op(exec, assertEqual, memq)))
Call: (220) [system] copy_term('next-operation'(op(exec, assertEqual, memq)), _432306)
Exit: (220) [system] copy_term('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Call: (220) [user] ignore(fcpt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq))))
^ Unify: (220) [system] ignore(user:fcpt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq))))
^ Call: (221) [user] fcpt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Unify: (221) [user] fcpt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Call: (222) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Unify: (222) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Call: (223) [user] clause('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), true)
^ Fail: (223) [user] clause('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), true)
^ Redo: (222) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Call: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Unify: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (224) [system] var('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Fail: (224) [system] var('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Redo: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Unify: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (224) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Exit: (224) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Unify: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Redo: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Unify: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Call: (224) [user] predicate_property('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), imported_from(system))
^ Unify: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), imported_from(system))
Call: (225) [system] nonvar(imported_from(system))
Exit: (225) [system] nonvar(imported_from(system))
Call: (225) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Unify: (225) [$syspreds] property_predicate(imported_from(system), user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (226) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Unify: (226) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (227) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Exit: (227) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Fail: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), imported_from(system))
^ Redo: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Unify: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Call: (224) [user] predicate_property('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), built_in)
^ Unify: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), built_in)
Call: (225) [system] nonvar(built_in)
Exit: (225) [system] nonvar(built_in)
Call: (225) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Unify: (225) [$syspreds] property_predicate(built_in, user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (226) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Exit: (226) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (226) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _474968, _474970)
Unify: (226) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _474968, _474970)
Call: (227) [system] compound('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Exit: (227) [system] compound('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (227) [system] compound_name_arity('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _474968, _474970)
Exit: (227) [system] compound_name_arity('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), '$pt$', 2)
Exit: (226) [$syspreds] goal_name_arity('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), '$pt$', 2)
^ Call: (226) [$syspreds] current_predicate(user:'$pt$'/2)
^ Exit: (226) [$syspreds] current_predicate(user:'$pt$'/2)
^ Fail: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), built_in)
^ Redo: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Unify: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Call: (224) [user] predicate_property('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _486210)
^ Unify: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _487150)
Call: (225) [system] nonvar(_488008)
^ Redo: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _489010)
^ Unify: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _489944)
Call: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Unify: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (226) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Exit: (226) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (226) [system] atom(user)
Exit: (226) [system] atom(user)
Exit: (225) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Exit: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), interpreted)
^ Unify: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Call: (224) [user] predicate_property('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), number_of_clauses(_499138))
^ Unify: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), number_of_clauses(_499138))
Call: (225) [system] nonvar(number_of_clauses(_499138))
Exit: (225) [system] nonvar(number_of_clauses(_499138))
Call: (225) [$syspreds] property_predicate(number_of_clauses(_499138), user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Unify: (225) [$syspreds] property_predicate(number_of_clauses(_499138), user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (226) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Unify: (226) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (227) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Exit: (227) [system] callable('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
Exit: (225) [$syspreds] property_predicate(number_of_clauses(0), user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Exit: (224) [$syspreds] predicate_property(user:'$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), number_of_clauses(0))
^ Unify: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898))
^ Call: (224) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _513982), (prolog_current_choice(_513992), push_current_choice(_513992), clause('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _514014), pfc_call(_514014)), nb_setval('$pfc_current_choice', _513982))
^ Unify: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _513982), user:(prolog_current_choice(_513992), push_current_choice(_513992), clause('$pt$'('next-operation'(op(exec, assertEqual, memq)), _437898), _514014), pfc_call(_514014)), user:nb_setval('$pfc_current_choice', _513982))
^ Call: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', _513982))
Call: (227) [system] nb_current('$pfc_current_choice', _513982)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
^ Exit: (225) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (226) [system] prolog_current_choice(_513992)
Exit: (226) [system] prolog_current_choice(2950)
^ Call: (226) [user] push_current_choice(2950)
^ Unify: (226) [user] push_current_choice(2950)
Call: (227) [system] nb_current('$pfc_current_choice', _3942)
Exit: (227) [system] nb_current('$pfc_current_choice', [])
Call: (227) [system] b_setval('$pfc_current_choice', [2950])
Exit: (227) [system] b_setval('$pfc_current_choice', [2950])
^ Exit: (226) [user] push_current_choice(2950)
^ Call: (226) [user] clause('$pt$'('next-operation'(op(exec, assertEqual, memq)), _3872), _3910)
^ Fail: (226) [user] clause('$pt$'('next-operation'(op(exec, assertEqual, memq)), _3872), _3910)
Call: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (227) [system] duplicate_term([], _11736)
Exit: (227) [system] duplicate_term([], [])
Call: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [system] nb_linkval('$pfc_current_choice', [])
Exit: (226) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (224) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _3878), user:(prolog_current_choice(_3888), push_current_choice(_3888), clause('$pt$'('next-operation'(op(exec, assertEqual, memq)), _3872), _3910), pfc_call(_3910)), user:nb_setval('$pfc_current_choice', _3878))
^ Fail: (223) [user] pfc_call('$pt$'('next-operation'(op(exec, assertEqual, memq)), _3872))
^ Fail: (222) [user] pfcGetTriggerQuick('$pt$'('next-operation'(op(exec, assertEqual, memq)), _3872))
^ Redo: (221) [user] fcpt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Unify: (221) [user] fcpt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Exit: (221) [user] fcpt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Exit: (220) [system] ignore(user:fcpt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq))))
^ Call: (220) [user] ignore(fcnt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq))))
^ Unify: (220) [system] ignore(user:fcnt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq))))
^ Call: (221) [user] fcnt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Unify: (221) [user] fcnt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Call: (222) [user] pfc_spft(_26606, _26692, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614))
^ Unify: (222) [user] pfc_spft(_26606, _27624, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614))
^ Call: (223) [user] pfcCallSystem('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Unify: (223) [user] pfcCallSystem('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Call: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Unify: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (225) [system] var('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Fail: (225) [system] var('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Redo: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Unify: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (225) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Exit: (225) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Unify: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Redo: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Unify: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Call: (225) [user] predicate_property('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), imported_from(system))
^ Unify: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), imported_from(system))
Call: (226) [system] nonvar(imported_from(system))
Exit: (226) [system] nonvar(imported_from(system))
Call: (226) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Unify: (226) [$syspreds] property_predicate(imported_from(system), user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (227) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Unify: (227) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (228) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Exit: (228) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (228) [system] atom(user)
Exit: (228) [system] atom(user)
Exit: (227) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Fail: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), imported_from(system))
^ Redo: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Unify: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Call: (225) [user] predicate_property('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), built_in)
^ Unify: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), built_in)
Call: (226) [system] nonvar(built_in)
Exit: (226) [system] nonvar(built_in)
Call: (226) [$syspreds] property_predicate(built_in, user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Unify: (226) [$syspreds] property_predicate(built_in, user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (227) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Exit: (227) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (227) [$syspreds] goal_name_arity('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _62764, _62766)
Unify: (227) [$syspreds] goal_name_arity('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _62764, _62766)
Call: (228) [system] compound('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Exit: (228) [system] compound('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (228) [system] compound_name_arity('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _62764, _62766)
Exit: (228) [system] compound_name_arity('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), '$spft$', 3)
Exit: (227) [$syspreds] goal_name_arity('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), '$spft$', 3)
^ Call: (227) [$syspreds] current_predicate(user:'$spft$'/3)
^ Exit: (227) [$syspreds] current_predicate(user:'$spft$'/3)
^ Fail: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), built_in)
^ Redo: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Unify: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Call: (225) [user] predicate_property('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _74006)
^ Unify: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _74946)
Call: (226) [system] nonvar(_75804)
^ Redo: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _76806)
^ Unify: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _77740)
Call: (226) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Unify: (226) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (227) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Exit: (227) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (227) [system] atom(user)
Exit: (227) [system] atom(user)
Exit: (226) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Exit: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), interpreted)
^ Unify: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Call: (225) [user] predicate_property('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), number_of_clauses(_86934))
^ Unify: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), number_of_clauses(_86934))
Call: (226) [system] nonvar(number_of_clauses(_86934))
Exit: (226) [system] nonvar(number_of_clauses(_86934))
Call: (226) [$syspreds] property_predicate(number_of_clauses(_86934), user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Unify: (226) [$syspreds] property_predicate(number_of_clauses(_86934), user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (227) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Unify: (227) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (228) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Exit: (228) [system] callable('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Call: (228) [system] atom(user)
Exit: (228) [system] atom(user)
Exit: (227) [$syspreds] define_or_generate(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
Exit: (226) [$syspreds] property_predicate(number_of_clauses(777), user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Exit: (225) [$syspreds] predicate_property(user:'$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), number_of_clauses(777))
^ Unify: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Call: (225) [user] setup_call_cleanup(nb_current('$pfc_current_choice', _101778), (prolog_current_choice(_101788), push_current_choice(_101788), clause('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _101810), pfc_call(_101810)), nb_setval('$pfc_current_choice', _101778))
^ Unify: (225) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _101778), user:(prolog_current_choice(_101788), push_current_choice(_101788), clause('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _101810), pfc_call(_101810)), user:nb_setval('$pfc_current_choice', _101778))
^ Call: (226) [system] sig_atomic(user:nb_current('$pfc_current_choice', _101778))
Call: (228) [system] nb_current('$pfc_current_choice', _101778)
Exit: (228) [system] nb_current('$pfc_current_choice', [])
^ Exit: (226) [system] sig_atomic(user:nb_current('$pfc_current_choice', []))
Call: (227) [system] prolog_current_choice(_101788)
Exit: (227) [system] prolog_current_choice(2970)
^ Call: (227) [user] push_current_choice(2970)
^ Unify: (227) [user] push_current_choice(2970)
Call: (228) [system] nb_current('$pfc_current_choice', _111128)
Exit: (228) [system] nb_current('$pfc_current_choice', [])
Call: (228) [system] b_setval('$pfc_current_choice', [2970])
Exit: (228) [system] b_setval('$pfc_current_choice', [2970])
^ Exit: (227) [user] push_current_choice(2970)
^ Call: (227) [user] clause('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _101810)
^ Fail: (227) [user] clause('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _101810)
Call: (227) [$syspreds] nb_setval('$pfc_current_choice', [])
Unify: (227) [$syspreds] nb_setval('$pfc_current_choice', [])
Call: (228) [system] duplicate_term([], _119500)
Exit: (228) [system] duplicate_term([], [])
Call: (228) [system] nb_linkval('$pfc_current_choice', [])
Exit: (228) [system] nb_linkval('$pfc_current_choice', [])
Exit: (227) [$syspreds] nb_setval('$pfc_current_choice', [])
^ Fail: (225) [system] setup_call_cleanup(user:nb_current('$pfc_current_choice', _101778), user:(prolog_current_choice(_101788), push_current_choice(_101788), clause('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)), _101810), pfc_call(_101810)), user:nb_setval('$pfc_current_choice', _101778))
^ Fail: (224) [user] pfc_call('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Fail: (223) [user] pfcCallSystem('$spft$'(_26606, _28484, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614)))
^ Fail: (222) [user] pfc_spft(_26606, _127004, '$nt$'('next-operation'(op(exec, assertEqual, memq)), _26612, _26614))
^ Redo: (221) [user] fcnt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Unify: (221) [user] fcnt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Exit: (221) [user] fcnt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq)))
^ Exit: (220) [system] ignore(user:fcnt('next-operation'(op(exec, assertEqual, memq)), 'next-operation'(op(exec, assertEqual, memq))))
^ Exit: (219) [user] pfcFwd1('next-operation'(op(exec, assertEqual, memq)))
^ Exit: (218) [user] pfcFwd0('next-operation'(op(exec, assertEqual, memq)))
^ Exit: (217) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(exec, assertEqual, memq))), user:set_prolog_flag(occurs_check, true))
^ Exit: (216) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(exec, assertEqual, memq))), user:each_call_cleanup)
^ Exit: (215) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:pfcFwd0('next-operation'(op(exec, assertEqual, memq))))
^ Exit: (214) [user] pfcFwd('next-operation'(op(exec, assertEqual, memq)))
^ Exit: (213) [user] pfcEnqueue(direct, 'next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (212) [user] pfcEnqueue('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (210) [user] must_ex(pfcEnqueue('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)))
^ Exit: (209) [user] pfcPost2('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (208) [user] pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (206) [locally_each] locally_each:wtl_how(locally_each:trusted_redo_call_cleanup, locally_each:(true==true), user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3638, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_3638)), trace)), user:set_prolog_flag(occurs_check, true))
^ Exit: (205) [locally_each] locally_each:wtl(user, set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3638, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_3638)), trace)), user:each_call_cleanup)
^ Exit: (204) [locally_each] locally_each:locally(user:set_prolog_flag(occurs_check, true), user:catch(pfcPost11('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax)), _3638, (notrace, wdmsg(('next-operation'(op(exec, assertEqual, memq))=>_3638)), trace)))
^ Exit: (203) [user] pfcPost1('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (202) [user] pfcPost_rev((P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax), 'next-operation'(op(exec, assertEqual, memq)))
^ Exit: (201) [user] pfcPost('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Call: (201) [user] pfcRun
^ Unify: (201) [user] pfcRun
^ Call: (202) [user] pfcGetSearch(direct)
^ Unify: (202) [user] pfcGetSearch(direct)
Call: (203) [t_l] t_l:pfcSearchTL(_224530)
Fail: (203) [t_l] t_l:pfcSearchTL(_224530)
^ Redo: (202) [user] pfcGetSearch(direct)
^ Call: (203) [user] pfcSearch(_227304)
^ Unify: (203) [user] pfcSearch(direct)
^ Exit: (203) [user] pfcSearch(direct)
Call: (203) [system] direct=direct
Exit: (203) [system] direct=direct
^ Exit: (202) [user] pfcGetSearch(direct)
^ Unify: (201) [user] pfcRun
^ Exit: (201) [user] pfcRun
^ Exit: (200) [user] pfcAdd('next-operation'(op(exec, assertEqual, memq)), (P;HTML|mfl4(_3614, user, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta' : 1189, 1189), ax))
^ Exit: (199) [user] pfcAdd('next-operation'(op(exec, assertEqual, memq)))
^ Exit: (198) [user] pfcAdd_Now('next-operation'(op(exec, assertEqual, memq)))
^ Exit: (197) [user] if_t(into_simple_op(exec, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], op(exec, assertEqual, memq)), pfcAdd_Now('next-operation'(op(exec, assertEqual, memq))))
Call: (197) [user] dont_give_up(do_metta_exec(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422))
Unify: (197) [user] dont_give_up(do_metta_exec(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422))
Call: (199) [user] do_metta_exec(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Unify: (199) [user] do_metta_exec(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3422)
Call: (200) [system] _264376=_264378
Exit: (200) [system] _264376=_264376
^ Call: (200) [user] ignore(catch((not_compatio(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), notrace(into_metta_callable('&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _266274, _264376, _266278, _266280)), !, user:interactively_do_metta_exec(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _266274, _264376, _266278, _266280, _264376, _3422)), give_up(_266316), pp_m('red', gave_up(_266316))))
^ Unify: (200) [system] ignore(user:catch((not_compatio(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), notrace(into_metta_callable('&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _266274, _264376, _266278, _266280)), !, user:interactively_do_metta_exec(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _266274, _264376, _266278, _266280, _264376, _3422)), give_up(_266316), pp_m('red', gave_up(_266316))))
^ Call: (203) [user] not_compatio(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Unify: (203) [user] not_compatio(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Call: (204) [user] if_t(once((is_mettalog;is_testing)), user_err(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])))
^ Unify: (204) [user] if_t(once((is_mettalog;is_testing)), user_err(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])))
^ Call: (205) [user] once((is_mettalog;is_testing))
^ Unify: (205) [system] once(user:(is_mettalog;is_testing))
^ Call: (207) [user] is_mettalog
^ Unify: (207) [user] is_mettalog
^ Call: (208) [user] is_win64
^ Unify: (208) [user] is_win64
Call: (209) [system] current_prolog_flag(windows, _285574)
Fail: (209) [system] current_prolog_flag(windows, _286502)
^ Fail: (208) [user] is_win64
^ Redo: (207) [user] is_mettalog
^ Unify: (207) [user] is_mettalog
^ Call: (208) [user] is_metta_flag(log)
^ Unify: (208) [user] is_metta_flag(log)
^ Call: (210) [system] setup_call_cleanup('$notrace'(_291962, _291964), once(user:is_flag0(log)), '$restore_trace'(_291962, _291964))
^ Unify: (210) [system] setup_call_cleanup(system:'$notrace'(_291962, _291964), system:once(user:is_flag0(log)), system:'$restore_trace'(_291962, _291964))
^ Call: (211) [system] sig_atomic(system:'$notrace'(_291962, _291964))
^ Fail: (208) [user] is_metta_flag(log)
^ Fail: (207) [user] is_mettalog
^ Call: (207) [user] is_testing
^ Unify: (207) [user] is_testing
^ Call: (208) [user] is_metta_flag(test)
^ Unify: (208) [user] is_metta_flag(test)
^ Call: (210) [system] setup_call_cleanup('$notrace'(_300332, _300334), once(user:is_flag0(test)), '$restore_trace'(_300332, _300334))
^ Unify: (210) [system] setup_call_cleanup(system:'$notrace'(_300332, _300334), system:once(user:is_flag0(test)), system:'$restore_trace'(_300332, _300334))
^ Call: (211) [system] sig_atomic(system:'$notrace'(_300332, _300334))
^ Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:is_flag0(test)), system:'$restore_trace'(3, -1))
^ Exit: (208) [user] is_metta_flag(test)
^ Exit: (207) [user] is_testing
^ Exit: (205) [system] once(user:(is_mettalog;is_testing))
^ Call: (205) [user] user_err(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Unify: (205) [user] user_err(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Call: (206) [user] original_user_error(_308728)
^ Unify: (206) [user] original_user_error(_308728)
Call: (207) [system] stream_property(_308728, file_no(2))
Unify: (207) [system] stream_property(_308728, file_no(2))
Call: (208) [system] nonvar(_308728)
Redo: (207) [system] stream_property(_308728, file_no(2))
Unify: (207) [system] stream_property(_308728, file_no(2))
Call: (208) [system] nonvar(_308728)
Redo: (207) [system] stream_property(_308728, file_no(2))
Unify: (207) [system] stream_property(_308728, file_no(2))
Call: (208) [system] nonvar(file_no(2))
Exit: (208) [system] nonvar(file_no(2))
Call: (208) [system] file_no(2)=alias(_319848)
Redo: (207) [system] stream_property(_308728, file_no(2))
Exit: (207) [system] stream_property((0x7fce529ca220), file_no(2))
^ Exit: (206) [user] original_user_error((0x7fce529ca220))
^ Call: (206) [user] with_output_to((0x7fce529ca220), write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
Call: (208) [user] write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
Unify: (208) [user] write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Call: (209) [user] real_notrace(write_exec0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Unify: (209) [user] real_notrace(user:write_exec0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Call: (210) [user] setup_call_cleanup('$notrace'(_328212, _328214), once(user:write_exec0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), '$restore_trace'(_328212, _328214))
^ Unify: (210) [system] setup_call_cleanup(user:'$notrace'(_328212, _328214), user:once(user:write_exec0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), user:'$restore_trace'(_328212, _328214))
^ Call: (211) [system] sig_atomic(user:'$notrace'(_328212, _328214))
!(assertEqual
(memq apple
(list (pear banana prune))) False)
^ Exit: (210) [system] setup_call_cleanup(user:'$notrace'(3, -1), user:once(user:write_exec0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), user:'$restore_trace'(3, -1))
^ Exit: (209) [user] real_notrace(user:write_exec0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
Exit: (208) [user] write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Exit: (206) [user] with_output_to((0x7fce529ca220), write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Exit: (205) [user] user_err(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Exit: (204) [user] if_t(once((is_mettalog;is_testing)), user_err(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])))
^ Exit: (203) [user] not_compatio(write_exec([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
^ Call: (204) [system] setup_call_cleanup('$notrace'(_340010, _340012), once(user:into_metta_callable('&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _266274, _264376, _266278, _266280)), '$restore_trace'(_340010, _340012))
^ Unify: (204) [system] setup_call_cleanup(system:'$notrace'(_340010, _340012), system:once(user:into_metta_callable('&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _266274, _264376, _266278, _266280)), system:'$restore_trace'(_340010, _340012))
^ Call: (205) [system] sig_atomic(system:'$notrace'(_340010, _340012))
^ Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:into_metta_callable('&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [])), system:'$restore_trace'(3, -1))
Call: (203) [user] interactively_do_metta_exec(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [], _264376, _3422)
Unify: (203) [user] interactively_do_metta_exec(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [], _264376, _3422)
Call: (204) [user] reset_caches
Unify: (204) [user] reset_caches
^ Call: (205) [user] forall(clause(reset_cache, _356048), forall(rtrace_on_error(_356048), true))
^ Unify: (205) [$apply] forall(user:clause(reset_cache, _356048), user:forall(rtrace_on_error(_356048), true))
^ Call: (206) [user] clause(reset_cache, _356048)
^ Exit: (206) [user] clause(reset_cache, retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890)))
^ Call: (206) [user] forall(rtrace_on_error(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), true)
^ Unify: (206) [$apply] forall(user:rtrace_on_error(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), user:true)
Call: (207) [user] rtrace_on_error(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890)))
Unify: (207) [user] rtrace_on_error(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890)))
Call: (208) [user] catch_err(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890)), _363534, (write_src_uo(_363534=retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), catch(rtrace(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), _363534, throw(give_up(_363534=retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))))), throw(_363534)))
Unify: (208) [user] catch_err(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890)), _363534, (write_src_uo(_363534=retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), catch(rtrace(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), _363534, throw(give_up(_363534=retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))))), throw(_363534)))
^ Call: (210) [user] retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))
^ Exit: (210) [user] retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))
Exit: (208) [user] catch_err(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890)), _363534, (write_src_uo(_363534=retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), catch(rtrace(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), _363534, throw(give_up(_363534=retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))))), throw(_363534)))
Exit: (207) [user] rtrace_on_error(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890)))
^ Exit: (206) [$apply] forall(user:rtrace_on_error(retractall(get_operator_typedef0(_358882, _358884, _358886, _358888, _358890))), user:true)
^ Redo: (206) [user] clause(reset_cache, _356048)
^ Exit: (206) [user] clause(reset_cache, true)
^ Call: (206) [user] forall(rtrace_on_error(true), true)
^ Unify: (206) [$apply] forall(user:rtrace_on_error(true), user:true)
Call: (207) [user] rtrace_on_error(true)
Unify: (207) [user] rtrace_on_error(true)
Call: (208) [user] catch_err(true, _375658, (write_src_uo(_375658=true), catch(rtrace(true), _375658, throw(give_up(_375658=true))), throw(_375658)))
Unify: (208) [user] catch_err(true, _375658, (write_src_uo(_375658=true), catch(rtrace(true), _375658, throw(give_up(_375658=true))), throw(_375658)))
Exit: (208) [user] catch_err(true, _375658, (write_src_uo(_375658=true), catch(rtrace(true), _375658, throw(give_up(_375658=true))), throw(_375658)))
Exit: (207) [user] rtrace_on_error(true)
^ Exit: (206) [$apply] forall(user:rtrace_on_error(true), user:true)
^ Exit: (205) [$apply] forall(user:clause(reset_cache, _356048), user:forall(rtrace_on_error(_356048), true))
Exit: (204) [user] reset_caches
Call: (205) [user] interactively_do_metta_exec00(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [], _264376, _3422)
Unify: (205) [user] interactively_do_metta_exec00(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [], _264376, _3422)
Call: (207) [user] interactively_do_metta_exec01(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [], _264376, _3422)
Unify: (207) [user] interactively_do_metta_exec01(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [], _264376, _3422)
Call: (208) [user] file_hides_results(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376))
Redo: (207) [user] interactively_do_metta_exec01(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [], _264376, _3422)
Unify: (207) [user] interactively_do_metta_exec01(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _264376, [], [], _264376, _3422)
^ Call: (209) [system] setup_call_cleanup('$notrace'(_412794, _412796), once(user:(reset_eval_num, _412266=res(_3422), _412282=prev_result('Empty'), inside_assert(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _412300), (is_compatio->option_else(answer, _412324, leap);option_else(answer, _412324, each)), option_else('maximum-result-count', _412346, inf), option_else('initial-result-count', _412360, 10), _412372=contrl(_412346, _412324), _412390=_412392, (file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=file(_412420), option_value(exec, skip), \+always_exec(_412300)->_412450=(skip(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376)), deterministic(_412466)), _412390=1, !, true;_412450=(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, _412266, _412524)), !, flag(result_num, _412550, 0), _412562=eval('&self', _412300, _264376), \+ \+ (user:maplist(name_vars, []), user:name_vars('OUT'=_264376), if_t(_412390==1, writeln(' ; SKIPPING')), if_t((is_interactive(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'));_412390==1), (if_t(\+option_value(doing_repl, true), if_t(\+option_value(repl, true), if_t(option_value(prolog, true), add_history_pl(_412562)))), if_t(option_value(repl, true), add_history_src(exec(_412300))))), prolog_only(color_g_mesg('#da70d6', (write('% DEBUG: '), writeq(_412562), writeln('.')))), true)))), '$restore_trace'(_412794, _412796))
^ Unify: (209) [system] setup_call_cleanup(system:'$notrace'(_412794, _412796), system:once(user:(reset_eval_num, _412266=res(_3422), _412282=prev_result('Empty'), inside_assert(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), _412300), (is_compatio->option_else(answer, _412324, leap);option_else(answer, _412324, each)), option_else('maximum-result-count', _412346, inf), option_else('initial-result-count', _412360, 10), _412372=contrl(_412346, _412324), _412390=_412392, (file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=file(_412420), option_value(exec, skip), \+always_exec(_412300)->_412450=(skip(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376)), deterministic(_412466)), _412390=1, !, true;_412450=(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, _412266, _412524)), !, flag(result_num, _412550, 0), _412562=eval('&self', _412300, _264376), \+ \+ (user:maplist(name_vars, []), user:name_vars('OUT'=_264376), if_t(_412390==1, writeln(' ; SKIPPING')), if_t((is_interactive(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'));_412390==1), (if_t(\+option_value(doing_repl, true), if_t(\+option_value(repl, true), if_t(option_value(prolog, true), add_history_pl(_412562)))), if_t(option_value(repl, true), add_history_src(exec(_412300))))), prolog_only(color_g_mesg('#da70d6', (write('% DEBUG: '), writeq(_412562), writeln('.')))), true)))), system:'$restore_trace'(_412794, _412796))
^ Call: (210) [system] sig_atomic(system:'$notrace'(_412794, _412796))
^ Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(reset_eval_num, res(_3422)=res(_3422), prev_result('Empty')=prev_result('Empty'), inside_assert(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), [memq, apple, [list, [pear, banana, prune]]]), (is_compatio->option_else(answer, each, leap);option_else(answer, each, each)), option_else('maximum-result-count', inf, inf), option_else('initial-result-count', 10, 10), contrl(inf, each)=contrl(inf, each), _412390=_412390, (file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')=file(_412420), option_value(exec, skip), \+always_exec([memq, apple, [list, [pear, banana, prune]]])->(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524))=(skip(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376)), deterministic(_412466)), _412390=1, !, true;(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524))=(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524)), !, flag(result_num, 1, 0), eval('&self', [memq, apple, [list, [pear, banana, prune]]], _264376)=eval('&self', [memq, apple, [list, [pear, banana, prune]]], _264376), \+ \+ (user:maplist(name_vars, []), user:name_vars('OUT'=_264376), if_t(_412390==1, writeln(' ; SKIPPING')), if_t((is_interactive(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'));_412390==1), (if_t(\+option_value(doing_repl, true), if_t(\+option_value(repl, true), if_t(option_value(prolog, true), add_history_pl(eval('&self', [memq, apple, [list, [pear, banana, prune]]], _264376))))), if_t(option_value(repl, true), add_history_src(exec([memq, apple, [list, [pear, banana, prune]]]))))), prolog_only(color_g_mesg('#da70d6', (write('% DEBUG: '), writeq(eval('&self', [memq, apple, [list, [pear, banana, prune]]], _264376)), writeln('.')))), true)))), system:'$restore_trace'(3, -1))
^ Call: (208) [user] in_answer_io(format('~N['))
^ Unify: (208) [user] in_answer_io(format('~N['))
Call: (209) [system] nb_current(suspend_answers, true)
^ Redo: (208) [user] in_answer_io(format('~N['))
^ Unify: (208) [user] in_answer_io(format('~N['))
^ Call: (209) [user] answer_output(_444812)
^ Unify: (209) [user] answer_output(_444812)
^ Call: (210) [user] is_testing
^ Unify: (210) [user] is_testing
^ Call: (211) [user] is_metta_flag(test)
^ Unify: (211) [user] is_metta_flag(test)
^ Call: (213) [system] setup_call_cleanup('$notrace'(_450354, _450356), once(user:is_flag0(test)), '$restore_trace'(_450354, _450356))
^ Unify: (213) [system] setup_call_cleanup(system:'$notrace'(_450354, _450356), system:once(user:is_flag0(test)), system:'$restore_trace'(_450354, _450356))
^ Call: (214) [system] sig_atomic(system:'$notrace'(_450354, _450356))
^ Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:is_flag0(test)), system:'$restore_trace'(3, -1))
^ Exit: (211) [user] is_metta_flag(test)
^ Exit: (210) [user] is_testing
^ Call: (210) [user] original_user_output(_444812)
^ Unify: (210) [user] original_user_output(_444812)
Call: (211) [system] stream_property(_444812, file_no(1))
Unify: (211) [system] stream_property(_444812, file_no(1))
Call: (212) [system] nonvar(_444812)
Redo: (211) [system] stream_property(_444812, file_no(1))
Unify: (211) [system] stream_property(_444812, file_no(1))
Call: (212) [system] nonvar(_444812)
Redo: (211) [system] stream_property(_444812, file_no(1))
Unify: (211) [system] stream_property(_444812, file_no(1))
Call: (212) [system] nonvar(file_no(1))
Exit: (212) [system] nonvar(file_no(1))
Call: (212) [system] file_no(1)=alias(_467090)
Redo: (211) [system] stream_property(_444812, file_no(1))
Exit: (211) [system] stream_property((0x7fce529ca120), file_no(1))
^ Exit: (210) [user] original_user_output((0x7fce529ca120))
^ Exit: (209) [user] answer_output((0x7fce529ca120))
^ Call: (209) [user] with_output_to((0x7fce529ca120), format('~N['))
Call: (211) [$syspreds] format('~N[')
Unify: (211) [$syspreds] format('~N[')
^ Call: (212) [$syspreds] format('~N[', [])
[
^ Exit: (212) [$syspreds] format('~N[', [])
Exit: (211) [$syspreds] format('~N[')
^ Exit: (209) [user] with_output_to((0x7fce529ca120), format('~N['))
^ Exit: (208) [user] in_answer_io(format('~N['))
Call: (208) [user] forall_interactive(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), _479192, _412466, timed_call((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524)), _479198), ((((_412466==true->!;true), set_option_value(interactive, _479192), contrl(inf, each)=contrl(_479268, _479270), nb_setarg(1, res(_3422), _412524), current_input(_479294), read_pending_codes(_479294, _479306, []), flag(result_num, _479320, _479320+1), flag(result_num, _479340, _479340), reset_eval_num, user_io((in_answer_io(if_t(prev_result('Empty')\=@=prev_result('Empty'), write(', '))), nb_setarg(1, prev_result('Empty'), _412524))), if_t(_479340=<_479268, ((_479340==1, _412466==true->not_compatio(format('~N~nDeterministic: ', [])), !;_412466==true->not_compatio(format('~N~nLast Result(~w): ', [_479340])), !;not_compatio(format('~N~nNDet Result(~w): ', [_479340]))), ignore((not_compatio(if_t(\+symbolic(_412524), nop(nl))), user_io(with_indents(is_mettalog, color_g_mesg_ok('yellow', \+ \+ (maplist(maybe_assign, []), not_compatio(write_bsrc(_412524)), true)))))))), in_answer_io(write_asrc(_412524)), not_compatio(format('~N')), (_412466\==true, _479192, _479270\==leap, 10>_479340, _479340<_479268->_479702=true;_479702=false), if_t((_479702==true;_412466==true), if_trace(time, color_g_mesg_ok('yellow', user_io(give_time('Execution', _479198))))), color_g_mesg('green', ignore(([]\=@=[]->not_compatio((reverse([], _479806), maplist(print_var, _479806), nop(nl)));true)))), (_479702==true->write("~npress ';' for more solutions "), get_single_char_key(_479868), not_compatio((writeq(key=_479868), nl)), (_479868==b->once(repl), fail;_479868==m->make;_479868==t->nop(set_debug(eval, true)), rtrace;_479868=='T'->set_debug(eval, true);_479868==(;)->true;_479868==esc('[A', [27, 91, 65])->nb_setarg(2, contrl(inf, each), leap);_479868=='L'->nb_setarg(1, contrl(inf, each), _479340);_479868==l->nb_setarg(2, contrl(inf, each), leap);(_479868=='\n';_479868=='\r')->!, fail;!, fail));_412466\==true, \+_479192, contrl(inf, each)=contrl(_479268, leap)->true;_412466==true->!;true), format('~N~n')))
Unify: (208) [user] forall_interactive(file(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'), false, _412466, timed_call((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524)), _479198), ((((_412466==true->!;true), set_option_value(interactive, false), contrl(inf, each)=contrl(_479268, _479270), nb_setarg(1, res(_3422), _412524), current_input(_479294), read_pending_codes(_479294, _479306, []), flag(result_num, _479320, _479320+1), flag(result_num, _479340, _479340), reset_eval_num, user_io((in_answer_io(if_t(prev_result('Empty')\=@=prev_result('Empty'), write(', '))), nb_setarg(1, prev_result('Empty'), _412524))), if_t(_479340=<_479268, ((_479340==1, _412466==true->not_compatio(format('~N~nDeterministic: ', [])), !;_412466==true->not_compatio(format('~N~nLast Result(~w): ', [_479340])), !;not_compatio(format('~N~nNDet Result(~w): ', [_479340]))), ignore((not_compatio(if_t(\+symbolic(_412524), nop(nl))), user_io(with_indents(is_mettalog, color_g_mesg_ok('yellow', \+ \+ (maplist(maybe_assign, []), not_compatio(write_bsrc(_412524)), true)))))))), in_answer_io(write_asrc(_412524)), not_compatio(format('~N')), (_412466\==true, false, _479270\==leap, 10>_479340, _479340<_479268->_479702=true;_479702=false), if_t((_479702==true;_412466==true), if_trace(time, color_g_mesg_ok('yellow', user_io(give_time('Execution', _479198))))), color_g_mesg('green', ignore(([]\=@=[]->not_compatio((reverse([], _479806), maplist(print_var, _479806), nop(nl)));true)))), (_479702==true->write("~npress ';' for more solutions "), get_single_char_key(_479868), not_compatio((writeq(key=_479868), nl)), (_479868==b->once(repl), fail;_479868==m->make;_479868==t->nop(set_debug(eval, true)), rtrace;_479868=='T'->set_debug(eval, true);_479868==(;)->true;_479868==esc('[A', [27, 91, 65])->nb_setarg(2, contrl(inf, each), leap);_479868=='L'->nb_setarg(1, contrl(inf, each), _479340);_479868==l->nb_setarg(2, contrl(inf, each), leap);(_479868=='\n';_479868=='\r')->!, fail;!, fail));_412466\==true, \+false, contrl(inf, each)=contrl(_479268, leap)->true;_412466==true->!;true), format('~N~n')))
Call: (209) [user] timed_call((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524)), _479198)
Unify: (209) [user] timed_call((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524)), _479198)
Call: (210) [system] statistics(cputime, _492450)
Exit: (210) [system] statistics(cputime, 9.796641178)
Call: (210) [user] rtrace_this((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524)))
Unify: (210) [user] rtrace_this((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _264376), deterministic(_412466), xform_out(_264376, _412524), nb_setarg(1, res(_3422), _412524)))
^ Call: (211) [user] option_value(rtrace, true)
^ Unify: (211) [user] option_value(rtrace, true)
Call: (212) [system] var(true)
Fail: (212) [system] var(true)
^ Redo: (211) [user] option_value(rtrace, true)
^ Unify: (211) [user] option_value(rtrace, true)
Call: (212) [system] true==true
Exit: (212) [system] true==true
^ Call: (212) [user] option_value0(rtrace, 'True')
^ Unify: (212) [user] option_value0(rtrace, 'True')
^ Call: (213) [user] was_option_value(rtrace, _505410)
^ Unify: (213) [user] was_option_value(rtrace, _505410)
Call: (214) [system] current_prolog_flag(rtrace, _507268)
Fail: (214) [system] current_prolog_flag(rtrace, _507268)
^ Redo: (213) [user] was_option_value(rtrace, _505410)
^ Unify: (213) [user] was_option_value(rtrace, _505410)
Call: (214) [$syspreds] prolog_load_context(rtrace, _510982)
Fail: (214) [$syspreds] prolog_load_context(rtrace, _510982)
^ Redo: (213) [user] was_option_value(rtrace, _505410)
^ Unify: (213) [user] was_option_value(rtrace, _505410)
Call: (214) [system] nb_current(rtrace, _514696)
Fail: (214) [system] nb_current(rtrace, _514696)
^ Fail: (213) [user] was_option_value(rtrace, _505410)
^ Redo: (212) [user] option_value0(rtrace, 'True')
^ Fail: (212) [user] option_value0(rtrace, 'True')
^ Redo: (211) [user] option_value(rtrace, true)
^ Unify: (211) [user] option_value(rtrace, true)
Call: (212) [system] true==false
Fail: (212) [system] true==false
^ Redo: (211) [user] option_value(rtrace, true)
^ Unify: (211) [user] option_value(rtrace, true)
^ Call: (213) [system] setup_call_cleanup('$notrace'(_5988, _5990), once(user:option_value0(rtrace, true)), '$restore_trace'(_5988, _5990))
^ Unify: (213) [system] setup_call_cleanup(system:'$notrace'(_5988, _5990), system:once(user:option_value0(rtrace, true)), system:'$restore_trace'(_5988, _5990))
^ Call: (214) [system] sig_atomic(system:'$notrace'(_5988, _5990))
^ Fail: (211) [user] option_value(rtrace, true)
Redo: (210) [user] rtrace_this((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), deterministic(_4006), xform_out(_3630, _4034), nb_setarg(1, res(_3422), _4034)))
Unify: (210) [user] rtrace_this((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), deterministic(_4006), xform_out(_3630, _4034), nb_setarg(1, res(_3422), _4034)))
^ Call: (211) [user] is_debugging(rtrace)
^ Unify: (211) [user] is_debugging(rtrace)
Call: (212) [system] var(rtrace)
Fail: (212) [system] var(rtrace)
^ Redo: (211) [user] is_debugging(rtrace)
^ Unify: (211) [user] is_debugging(rtrace)
Call: (212) [system] rtrace==false
Fail: (212) [system] rtrace==false
^ Redo: (211) [user] is_debugging(rtrace)
^ Unify: (211) [user] is_debugging(rtrace)
Call: (212) [system] rtrace==true
Fail: (212) [system] rtrace==true
^ Redo: (211) [user] is_debugging(rtrace)
^ Unify: (211) [user] is_debugging(rtrace)
^ Call: (212) [user] fast_option_value(rtrace, debug)
^ Unify: (212) [user] fast_option_value(rtrace, debug)
Call: (213) [system] atom(rtrace)
Exit: (213) [system] atom(rtrace)
Call: (213) [system] current_prolog_flag(rtrace, debug)
Fail: (213) [system] current_prolog_flag(rtrace, debug)
^ Fail: (212) [user] fast_option_value(rtrace, debug)
^ Redo: (211) [user] is_debugging(rtrace)
^ Unify: (211) [user] is_debugging(rtrace)
^ Call: (212) [user] fast_option_value(rtrace, trace)
^ Unify: (212) [user] fast_option_value(rtrace, trace)
Call: (213) [system] atom(rtrace)
Exit: (213) [system] atom(rtrace)
Call: (213) [system] current_prolog_flag(rtrace, trace)
Fail: (213) [system] current_prolog_flag(rtrace, trace)
^ Fail: (212) [user] fast_option_value(rtrace, trace)
^ Redo: (211) [user] is_debugging(rtrace)
^ Unify: (211) [user] is_debugging(rtrace)
Call: (212) [prolog_debug] prolog_debug:debugging(metta(rtrace), _41206)
Unify: (212) [prolog_debug] prolog_debug:debugging(metta(rtrace), _41206)
^ Call: (213) [prolog_debug] prolog_debug:debugging(metta(rtrace), _41206, _43142)
^ Unify: (213) [prolog_debug] prolog_debug:debugging(metta(rtrace), _41206, [])
Call: (214) [system] current_prolog_flag(nodebugx, true)
^ Redo: (213) [prolog_debug] prolog_debug:debugging(metta(rtrace), _41206, _45946)
^ Unify: (213) [prolog_debug] prolog_debug:debugging(metta(rtrace), _41206, _46884)
^ Call: (214) [prolog_debug] current_predicate(debugging_logicmoo_setting/3)
^ Exit: (214) [prolog_debug] current_predicate(debugging_logicmoo_setting/3)
^ Call: (214) [prolog_debug] predicate_property(bugger:debugging_logicmoo_setting(_49618, _49620, _49622), defined)
^ Unify: (214) [$syspreds] predicate_property(bugger:debugging_logicmoo_setting(_49618, _49620, _49622), defined)
Call: (215) [system] nonvar(defined)
Exit: (215) [system] nonvar(defined)
Call: (215) [$syspreds] property_predicate(defined, bugger:debugging_logicmoo_setting(_49618, _49620, _49622))
Unify: (215) [$syspreds] property_predicate(defined, bugger:debugging_logicmoo_setting(_49618, _49620, _49622))
Call: (216) [$syspreds] define_or_generate(bugger:debugging_logicmoo_setting(_49618, _49620, _49622))
Unify: (216) [$syspreds] define_or_generate(bugger:debugging_logicmoo_setting(_49618, _49620, _49622))
Call: (217) [system] callable(debugging_logicmoo_setting(_49618, _49620, _49622))
Exit: (217) [system] callable(debugging_logicmoo_setting(_49618, _49620, _49622))
Call: (217) [system] atom(bugger)
Exit: (217) [system] atom(bugger)
Exit: (216) [$syspreds] define_or_generate(bugger:debugging_logicmoo_setting(_49618, _49620, _49622))
Exit: (215) [$syspreds] property_predicate(defined, bugger:debugging_logicmoo_setting(_49618, _49620, _49622))
^ Exit: (214) [$syspreds] predicate_property(bugger:debugging_logicmoo_setting(_49618, _49620, _49622), defined)
^ Call: (214) [prolog_debug] bugger:debugging_logicmoo_setting(metta(rtrace), _41206, _63532)
^ Unify: (214) [prolog_debug] bugger:debugging_logicmoo_setting(metta(rtrace), true, [user_error])
^ Exit: (214) [prolog_debug] bugger:debugging_logicmoo_setting(metta(rtrace), true, [user_error])
^ Exit: (213) [prolog_debug] prolog_debug:debugging(metta(rtrace), true, [user_error])
Exit: (212) [prolog_debug] prolog_debug:debugging(metta(rtrace), true)
Call: (212) [system] true==true
Exit: (212) [system] true==true
^ Exit: (211) [user] is_debugging(rtrace)
Exit: (210) [user] rtrace_this((eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), deterministic(_4006), xform_out(_3630, _4034), nb_setarg(1, res(_3422), _4034)))
^ Call: (211) [rtrace] bugger:scce_orig(restart_rtrace, user:(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), deterministic(_4006), xform_out(_3630, _4034), nb_setarg(1, res(_3422), _4034)), tAt_rtrace)
^ Unify: (211) [bugger] bugger:scce_orig(rtrace:restart_rtrace, user:(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), deterministic(_4006), xform_out(_3630, _4034), nb_setarg(1, res(_3422), _4034)), rtrace:tAt_rtrace)
Call: (212) [system] _73992=mquietly_if(true, rtrace:tAt_rtrace)
Exit: (212) [system] mquietly_if(true, rtrace:tAt_rtrace)=mquietly_if(true, rtrace:tAt_rtrace)
^ Call: (212) [bugger] setup_call_cleanup(rtrace:restart_rtrace, ((user:(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), deterministic(_4006), xform_out(_3630, _4034), nb_setarg(1, res(_3422), _4034)), deterministic(_75870)), (notrace(_75870==true)->!;rtrace:tAt_rtrace, notrace(nb_setarg(1, mquietly_if(true, rtrace:tAt_rtrace), false));rtrace:restart_rtrace, notrace(nb_setarg(1, mquietly_if(true, rtrace:tAt_rtrace), true)), notrace(fail))), mquietly_if(true, rtrace:tAt_rtrace))
^ Unify: (212) [system] setup_call_cleanup(rtrace:restart_rtrace, bugger:((user:(eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), deterministic(_4006), xform_out(_3630, _4034), nb_setarg(1, res(_3422), _4034)), deterministic(_75870)), (notrace(_75870==true)->!;rtrace:tAt_rtrace, notrace(nb_setarg(1, mquietly_if(true, rtrace:tAt_rtrace), false));rtrace:restart_rtrace, notrace(nb_setarg(1, mquietly_if(true, rtrace:tAt_rtrace), true)), notrace(fail))), bugger:mquietly_if(true, rtrace:tAt_rtrace))
^ Call: (213) [system] sig_atomic(rtrace:restart_rtrace)
^ Call: (216) [rtrace] rtrace:restart_rtrace1
^ Unify: (216) [rtrace] rtrace:restart_rtrace1
^ Exit: (216) [rtrace] rtrace:restart_rtrace1
^ Exit: (213) [system] sig_atomic(rtrace:restart_rtrace)
Call: (214) [user] eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
Unify: (214) [user] eval_H(500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (215) [user] catch_metta_return(eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), _3630)
^ Unify: (215) [user] catch_metta_return(eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630), _3630)
^ Call: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
Call: (218) [system] var([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Redo: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (219) [system] setup_call_cleanup('$notrace'(_91250, _91252), once(user:self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), '$restore_trace'(_91250, _91252))
^ Unify: (219) [system] setup_call_cleanup(system:'$notrace'(_91250, _91252), system:once(user:self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), system:'$restore_trace'(_91250, _91252))
^ Call: (220) [system] sig_atomic(system:'$notrace'(_91250, _91252))
^ Redo: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (219) [system] setup_call_cleanup('$notrace'(_95988, _95990), once(user:nonvar(_3630)), '$restore_trace'(_95988, _95990))
^ Unify: (219) [system] setup_call_cleanup(system:'$notrace'(_95988, _95990), system:once(user:nonvar(_3630)), system:'$restore_trace'(_95988, _95990))
^ Call: (220) [system] sig_atomic(system:'$notrace'(_95988, _95990))
^ Redo: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (219) [system] setup_call_cleanup('$notrace'(_100726, _100728), once(user:nonvar(_3630)), '$restore_trace'(_100726, _100728))
^ Unify: (219) [system] setup_call_cleanup(system:'$notrace'(_100726, _100728), system:once(user:nonvar(_3630)), system:'$restore_trace'(_100726, _100728))
^ Call: (220) [system] sig_atomic(system:'$notrace'(_100726, _100728))
^ Redo: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
Call: (218) [system] [[memq, apple, [list, [pear, banana, prune]]], 'False']==[]
^ Redo: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
Call: (218) [system] atom(=)
Exit: (218) [system] atom(=)
Call: (218) [system] (=)\==(=)
^ Redo: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (218) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Unify: (218) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Call: (220) [system] setup_call_cleanup('$notrace'(_114792, _114794), once(user:self_eval0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), '$restore_trace'(_114792, _114794))
^ Unify: (220) [system] setup_call_cleanup(system:'$notrace'(_114792, _114794), system:once(user:self_eval0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), system:'$restore_trace'(_114792, _114794))
^ Call: (221) [system] sig_atomic(system:'$notrace'(_114792, _114794))
^ Fail: (218) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Redo: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (217) [user] eval_args(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (218) [user] eval_00(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (218) [user] eval_00(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (219) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Unify: (219) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Call: (221) [system] setup_call_cleanup('$notrace'(_124190, _124192), once(user:self_eval0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), '$restore_trace'(_124190, _124192))
^ Unify: (221) [system] setup_call_cleanup(system:'$notrace'(_124190, _124192), system:once(user:self_eval0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), system:'$restore_trace'(_124190, _124192))
^ Call: (222) [system] sig_atomic(system:'$notrace'(_124190, _124192))
^ Fail: (219) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Redo: (218) [user] eval_00(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (218) [user] eval_00(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (219) [user] eval_01(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Unify: (219) [user] eval_01(=, _84644, 500, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _3630)
^ Call: (220) [user] if_t((500<1, trace_on_overflow), debug(metta(eval_args)))
^ Unify: (220) [user] if_t((500<1, trace_on_overflow), debug(metta(eval_args)))
Call: (222) [system] 500<1
Fail: (222) [system] 500<1
^ Redo: (220) [user] if_t((500<1, trace_on_overflow), debug(metta(eval_args)))
^ Exit: (220) [user] if_t((500<1, trace_on_overflow), debug(metta(eval_args)))
^ Call: (221) [system] setup_call_cleanup('$notrace'(_137348, _137350), once(user:(_137324 is 500-1, copy_term([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _137338))), '$restore_trace'(_137348, _137350))
^ Unify: (221) [system] setup_call_cleanup(system:'$notrace'(_137348, _137350), system:once(user:(_137324 is 500-1, copy_term([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _137338))), system:'$restore_trace'(_137348, _137350))
^ Call: (222) [system] sig_atomic(system:'$notrace'(_137348, _137350))
^ Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(499 is 500-1, copy_term([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))), system:'$restore_trace'(3, -1))
^ Call: (220) [user] trace_eval(eval_20(=, _84644), e, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (220) [user] trace_eval(eval_20(=, _84644), e, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Call: (221) [user] must_det_ll((notrace((flag(eval_num, _143042, _143042+1), _143060 is _143042 mod 500, _143078 is 99-499 mod 100, _143102=_143104, option_else('trace-length', _143116, 500), option_else('trace-depth', _143124, 30))), quietly(if_t((nop(stop_rtrace), _143060>_143116), (set_debug(eval, false), _143180 is _143116+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace))))), nop(notrace(no_repeats_var(_143232)))))
^ Unify: (221) [user] must_det_ll(user:(notrace((flag(eval_num, _143042, _143042+1), _143060 is _143042 mod 500, _143078 is 99-499 mod 100, _143102=_143104, option_else('trace-length', _143116, 500), option_else('trace-depth', _143124, 30))), quietly(if_t((nop(stop_rtrace), _143060>_143116), (set_debug(eval, false), _143180 is _143116+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace))))), nop(notrace(no_repeats_var(_143232)))))
^ Call: (222) [user] once(user:(notrace((flag(eval_num, _143042, _143042+1), _143060 is _143042 mod 500, _143078 is 99-499 mod 100, _143102=_143104, option_else('trace-length', _143116, 500), option_else('trace-depth', _143124, 30))), quietly(if_t((nop(stop_rtrace), _143060>_143116), (set_debug(eval, false), _143180 is _143116+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace))))), nop(notrace(no_repeats_var(_143232)))))
^ Unify: (222) [system] once(user:(notrace((flag(eval_num, _143042, _143042+1), _143060 is _143042 mod 500, _143078 is 99-499 mod 100, _143102=_143104, option_else('trace-length', _143116, 500), option_else('trace-depth', _143124, 30))), quietly(if_t((nop(stop_rtrace), _143060>_143116), (set_debug(eval, false), _143180 is _143116+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace))))), nop(notrace(no_repeats_var(_143232)))))
^ Call: (225) [system] setup_call_cleanup('$notrace'(_146956, _146958), once(user:(flag(eval_num, _143042, _143042+1), _143060 is _143042 mod 500, _143078 is 99-499 mod 100, _143102=_143104, option_else('trace-length', _143116, 500), option_else('trace-depth', _143124, 30))), '$restore_trace'(_146956, _146958))
^ Unify: (225) [system] setup_call_cleanup(system:'$notrace'(_146956, _146958), system:once(user:(flag(eval_num, _143042, _143042+1), _143060 is _143042 mod 500, _143078 is 99-499 mod 100, _143102=_143104, option_else('trace-length', _143116, 500), option_else('trace-depth', _143124, 30))), system:'$restore_trace'(_146956, _146958))
^ Call: (226) [system] sig_atomic(system:'$notrace'(_146956, _146958))
^ Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(flag(eval_num, 0, 0+1), 0 is 0 mod 500, 0 is 99-499 mod 100, _143102=_143102, option_else('trace-length', 500, 500), option_else('trace-depth', 30, 30))), system:'$restore_trace'(3, -1))
^ Call: (225) [rtrace] rtrace:quietly3(user:if_t((nop(stop_rtrace), 0>500), (set_debug(eval, false), _143180 is 500+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace)))))
^ Unify: (225) [rtrace] rtrace:quietly3(user:if_t((nop(stop_rtrace), 0>500), (set_debug(eval, false), _143180 is 500+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace)))))
^ Exit: (225) [rtrace] rtrace:quietly3(user:if_t((nop(stop_rtrace), 0>500), (set_debug(eval, false), _143180 is 500+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace)))))
Call: (224) [user] nop(notrace(no_repeats_var(_143232)))
Unify: (224) [user] nop(notrace(no_repeats_var(_143232)))
Exit: (224) [user] nop(notrace(no_repeats_var(_143232)))
^ Exit: (222) [system] once(user:(notrace((flag(eval_num, 0, 0+1), 0 is 0 mod 500, 0 is 99-499 mod 100, _143102=_143102, option_else('trace-length', 500, 500), option_else('trace-depth', 30, 30))), quietly(if_t((nop(stop_rtrace), 0>500), (set_debug(eval, false), _143180 is 500+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace))))), nop(notrace(no_repeats_var(_143232)))))
^ Exit: (221) [user] must_det_ll(user:(notrace((flag(eval_num, 0, 0+1), 0 is 0 mod 500, 0 is 99-499 mod 100, _143102=_143102, option_else('trace-length', 500, 500), option_else('trace-depth', 30, 30))), quietly(if_t((nop(stop_rtrace), 0>500), (set_debug(eval, false), _143180 is 500+1, nop(format('; Switched off tracing. For a longer trace: !(pragma! trace-length ~w)', [_143180])), nop((start_rtrace, rtrace))))), nop(notrace(no_repeats_var(_143232)))))
Call: (221) [occurs] occurs:sub_term(_158420, e)
Unify: (221) [occurs] occurs:sub_term(e, e)
Exit: (221) [occurs] occurs:sub_term(e, e)
Call: (221) [system] e\=e
Fail: (221) [system] e\=e
Redo: (221) [occurs] occurs:sub_term(_158420, e)
Unify: (221) [occurs] occurs:sub_term(_158420, e)
Call: (222) [system] compound(e)
Fail: (222) [system] compound(e)
Fail: (221) [occurs] occurs:sub_term(_158420, e)
^ Redo: (220) [user] trace_eval(eval_20(=, _84644), e, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
Call: (221) [system] _168638=e
Exit: (221) [system] e=e
^ Call: (221) [user] if_trace((eval;e), (_143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']])))
^ Unify: (221) [user] if_trace((eval;e), (_143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']])))
^ Call: (223) [system] setup_call_cleanup('$notrace'(_172442, _172444), once(user:real_notrace(catch_err(ignore((is_debugging((eval;e)), _143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']]))), _172400, fbug((_172400-->if_trace((eval;e), (_143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']])))))))), '$restore_trace'(_172442, _172444))
^ Unify: (223) [system] setup_call_cleanup(system:'$notrace'(_172442, _172444), system:once(user:real_notrace(catch_err(ignore((is_debugging((eval;e)), _143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']]))), _172400, fbug((_172400-->if_trace((eval;e), (_143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']])))))))), system:'$restore_trace'(_172442, _172444))
^ Call: (224) [system] sig_atomic(system:'$notrace'(_172442, _172444))
^ Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:real_notrace(catch_err(ignore((is_debugging((eval;e)), _143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']]))), _172400, fbug((_172400-->if_trace((eval;e), (_143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']])))))))), system:'$restore_trace'(3, -1))
^ Exit: (221) [user] if_trace((eval;e), (_143102=1, indentq(0, 0, -->, [e, [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']])))
Call: (221) [system] _177224=retval(fail)
Exit: (221) [system] retval(fail)=retval(fail)
Call: (221) [system] _179086=(\+ \+ (flag(eval_num, _179106, _179106+1), (retval(fail)\=@=retval(fail), nonvar(_141132)->indentq(0, _179106, <--, [e, _141132]);indentq(0, _179106, <--, [e, retval(fail)]))))
Exit: (221) [system] (\+ \+ (flag(eval_num, _179106, _179106+1), (retval(fail)\=@=retval(fail), nonvar(_141132)->indentq(0, _179106, <--, [e, _141132]);indentq(0, _179106, <--, [e, retval(fail)]))))=(\+ \+ (flag(eval_num, _179106, _179106+1), (retval(fail)\=@=retval(fail), nonvar(_141132)->indentq(0, _179106, <--, [e, _141132]);indentq(0, _179106, <--, [e, retval(fail)]))))
^ Call: (221) [user] call_cleanup(((call(eval_20(=, _84644), 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)*->nb_setarg(1, retval(fail), _141132);fail, trace, call(eval_20(=, _84644), 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)), ignore(notrace((\+_141132\=_143232, nb_setarg(1, retval(fail), _141132))))), ignore((_143102==1->ignore(\+ \+ (flag(eval_num, _179106, _179106+1), (retval(fail)\=@=retval(fail), nonvar(_141132)->indentq(0, _179106, <--, [e, _141132]);indentq(0, _179106, <--, [e, retval(fail)]))));notrace(ignore(if_t(0<30, if_trace((eval;e), ignore(\+ \+ (flag(eval_num, _179106, _179106+1), (retval(fail)\=@=retval(fail), nonvar(_141132)->indentq(0, _179106, <--, [e, _141132]);indentq(0, _179106, <--, [e, retval(fail)])))))))))))
^ Unify: (221) [system] call_cleanup(user:((call(eval_20(=, _84644), 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)*->nb_setarg(1, retval(fail), _141132);fail, trace, call(eval_20(=, _84644), 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)), ignore(notrace((\+_141132\=_143232, nb_setarg(1, retval(fail), _141132))))), user:ignore((_143102==1->ignore(\+ \+ (flag(eval_num, _179106, _179106+1), (retval(fail)\=@=retval(fail), nonvar(_141132)->indentq(0, _179106, <--, [e, _141132]);indentq(0, _179106, <--, [e, retval(fail)]))));notrace(ignore(if_t(0<30, if_trace((eval;e), ignore(\+ \+ (flag(eval_num, _179106, _179106+1), (retval(fail)\=@=retval(fail), nonvar(_141132)->indentq(0, _179106, <--, [e, _141132]);indentq(0, _179106, <--, [e, retval(fail)])))))))))))
^ Call: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
Call: (224) [system] atom([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Redo: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Call: (224) [user] no_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Unify: (224) [user] no_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Call: (225) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Unify: (225) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Call: (227) [system] setup_call_cleanup('$notrace'(_191492, _191494), once(user:self_eval0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), '$restore_trace'(_191492, _191494))
^ Unify: (227) [system] setup_call_cleanup(system:'$notrace'(_191492, _191494), system:once(user:self_eval0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])), system:'$restore_trace'(_191492, _191494))
^ Call: (228) [system] sig_atomic(system:'$notrace'(_191492, _191494))
^ Fail: (225) [user] self_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Redo: (224) [user] no_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Unify: (224) [user] no_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
Call: (225) [system] atomic(assertEqual)
Exit: (225) [system] atomic(assertEqual)
^ Call: (225) [user] is_sl(assertEqual)
^ Unify: (225) [user] is_sl(assertEqual)
Call: (226) [system] number(assertEqual)
^ Redo: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
Call: (224) [system] [[memq, apple, [list, [pear, banana, prune]]], 'False']==[]
^ Redo: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
Call: (224) [system] atom(=)
Exit: (224) [system] atom(=)
Call: (224) [system] (=)\==(=)
^ Redo: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
Call: (224) [system] callable(assertEqual)
Exit: (224) [system] callable(assertEqual)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
Call: (224) [system] is_list([[memq, apple, [list, [pear, banana, prune]]], 'False'])
Exit: (224) [system] is_list([[memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
Call: (224) [system] is_list([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
Exit: (224) [system] is_list([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], [assertEqual|_218526])
Call: (224) [system] var(assertEqual)
^ Redo: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Call: (224) [user] once(expand_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _222288))
^ Unify: (224) [system] once(user:expand_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _222288))
^ Call: (225) [user] expand_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _222288)
^ Unify: (225) [user] expand_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _222288)
Call: (226) [system] is_list([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
Exit: (226) [system] is_list([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Unify: (225) [user] expand_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], [assertEqual|_227864])
Call: (226) [system] ground(assertEqual)
Exit: (226) [system] ground(assertEqual)
^ Unify: (225) [user] expand_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], [assertEqual|_230646])
^ Call: (226) [user] apply:maplist(expand_eval, [[memq, apple, [list, [pear, banana, prune]]], 'False'], _230646)
^ Unify: (226) [apply] apply:maplist(user:expand_eval, [[memq, apple, [list, [pear, banana, prune]]], 'False'], _230646)
Call: (227) [apply] apply:maplist_([[memq, apple, [list, [pear, banana, prune]]], 'False'], _230646, user:expand_eval)
Unify: (227) [apply] apply:maplist_([[memq, apple, [list, [pear, banana, prune]]], 'False'], [_234392|_234394], user:expand_eval)
^ Call: (228) [user] expand_eval([memq, apple, [list, [pear, banana, prune]]], _234392)
^ Unify: (228) [user] expand_eval([memq, apple, [list, [pear, banana, prune]]], _234392)
Call: (229) [system] is_list([memq, apple, [list, [pear, banana, prune]]])
Exit: (229) [system] is_list([memq, apple, [list, [pear, banana, prune]]])
^ Unify: (228) [user] expand_eval([memq, apple, [list, [pear, banana, prune]]], [memq|_239036])
Call: (229) [system] ground(memq)
Exit: (229) [system] ground(memq)
^ Unify: (228) [user] expand_eval([memq, apple, [list, [pear, banana, prune]]], [memq|_241818])
^ Call: (229) [user] apply:maplist(expand_eval, [apple, [list, [pear, banana, prune]]], _241818)
^ Unify: (229) [apply] apply:maplist(user:expand_eval, [apple, [list, [pear, banana, prune]]], _241818)
Call: (230) [apply] apply:maplist_([apple, [list, [pear, banana, prune]]], _241818, user:expand_eval)
Unify: (230) [apply] apply:maplist_([apple, [list, [pear, banana, prune]]], [_245564|_245566], user:expand_eval)
^ Call: (231) [user] expand_eval(apple, _245564)
^ Unify: (231) [user] expand_eval(apple, _245564)
Call: (232) [system] is_list(apple)
^ Redo: (231) [user] expand_eval(apple, _245564)
Call: (232) [system] apple=_245564
Exit: (232) [system] apple=apple
^ Exit: (231) [user] expand_eval(apple, apple)
Call: (231) [apply] apply:maplist_([[list, [pear, banana, prune]]], _245566, user:expand_eval)
Unify: (231) [apply] apply:maplist_([[list, [pear, banana, prune]]], [_253926|_253928], user:expand_eval)
^ Call: (232) [user] expand_eval([list, [pear, banana, prune]], _253926)
^ Unify: (232) [user] expand_eval([list, [pear, banana, prune]], _253926)
Call: (233) [system] is_list([list, [pear, banana, prune]])
Exit: (233) [system] is_list([list, [pear, banana, prune]])
^ Unify: (232) [user] expand_eval([list, [pear, banana, prune]], [list|_258570])
Call: (233) [system] ground(list)
Exit: (233) [system] ground(list)
^ Unify: (232) [user] expand_eval([list, [pear, banana, prune]], [list|_261352])
^ Call: (233) [user] apply:maplist(expand_eval, [[pear, banana, prune]], _261352)
^ Unify: (233) [apply] apply:maplist(user:expand_eval, [[pear, banana, prune]], _261352)
Call: (234) [apply] apply:maplist_([[pear, banana, prune]], _261352, user:expand_eval)
Unify: (234) [apply] apply:maplist_([[pear, banana, prune]], [_265098|_265100], user:expand_eval)
^ Call: (235) [user] expand_eval([pear, banana, prune], _265098)
^ Unify: (235) [user] expand_eval([pear, banana, prune], _265098)
Call: (236) [system] is_list([pear, banana, prune])
Exit: (236) [system] is_list([pear, banana, prune])
^ Unify: (235) [user] expand_eval([pear, banana, prune], [pear|_269742])
Call: (236) [system] ground(pear)
Exit: (236) [system] ground(pear)
^ Unify: (235) [user] expand_eval([pear, banana, prune], [pear|_272524])
^ Call: (236) [user] apply:maplist(expand_eval, [banana, prune], _272524)
^ Unify: (236) [apply] apply:maplist(user:expand_eval, [banana, prune], _272524)
Call: (237) [apply] apply:maplist_([banana, prune], _272524, user:expand_eval)
Unify: (237) [apply] apply:maplist_([banana, prune], [_276270|_276272], user:expand_eval)
^ Call: (238) [user] expand_eval(banana, _276270)
^ Unify: (238) [user] expand_eval(banana, _276270)
Call: (239) [system] is_list(banana)
^ Redo: (238) [user] expand_eval(banana, _276270)
Call: (239) [system] banana=_276270
Exit: (239) [system] banana=banana
^ Exit: (238) [user] expand_eval(banana, banana)
Call: (238) [apply] apply:maplist_([prune], _276272, user:expand_eval)
Unify: (238) [apply] apply:maplist_([prune], [_284632|_284634], user:expand_eval)
^ Call: (239) [user] expand_eval(prune, _284632)
^ Unify: (239) [user] expand_eval(prune, _284632)
Call: (240) [system] is_list(prune)
^ Redo: (239) [user] expand_eval(prune, _284632)
Call: (240) [system] prune=_284632
Exit: (240) [system] prune=prune
^ Exit: (239) [user] expand_eval(prune, prune)
Call: (239) [apply] apply:maplist_([], _284634, user:expand_eval)
Unify: (239) [apply] apply:maplist_([], [], user:expand_eval)
Exit: (239) [apply] apply:maplist_([], [], user:expand_eval)
Exit: (238) [apply] apply:maplist_([prune], [prune], user:expand_eval)
Exit: (237) [apply] apply:maplist_([banana, prune], [banana, prune], user:expand_eval)
^ Exit: (236) [apply] apply:maplist(user:expand_eval, [banana, prune], [banana, prune])
^ Exit: (235) [user] expand_eval([pear, banana, prune], [pear, banana, prune])
Call: (235) [apply] apply:maplist_([], _265100, user:expand_eval)
Unify: (235) [apply] apply:maplist_([], [], user:expand_eval)
Exit: (235) [apply] apply:maplist_([], [], user:expand_eval)
Exit: (234) [apply] apply:maplist_([[pear, banana, prune]], [[pear, banana, prune]], user:expand_eval)
^ Exit: (233) [apply] apply:maplist(user:expand_eval, [[pear, banana, prune]], [[pear, banana, prune]])
^ Exit: (232) [user] expand_eval([list, [pear, banana, prune]], [list, [pear, banana, prune]])
Call: (232) [apply] apply:maplist_([], _253928, user:expand_eval)
Unify: (232) [apply] apply:maplist_([], [], user:expand_eval)
Exit: (232) [apply] apply:maplist_([], [], user:expand_eval)
Exit: (231) [apply] apply:maplist_([[list, [pear, banana, prune]]], [[list, [pear, banana, prune]]], user:expand_eval)
Exit: (230) [apply] apply:maplist_([apple, [list, [pear, banana, prune]]], [apple, [list, [pear, banana, prune]]], user:expand_eval)
^ Exit: (229) [apply] apply:maplist(user:expand_eval, [apple, [list, [pear, banana, prune]]], [apple, [list, [pear, banana, prune]]])
^ Exit: (228) [user] expand_eval([memq, apple, [list, [pear, banana, prune]]], [memq, apple, [list, [pear, banana, prune]]])
Call: (228) [apply] apply:maplist_(['False'], _234394, user:expand_eval)
Unify: (228) [apply] apply:maplist_(['False'], [_311640|_311642], user:expand_eval)
^ Call: (229) [user] expand_eval('False', _311640)
^ Unify: (229) [user] expand_eval('False', _311640)
Call: (230) [system] is_list('False')
^ Redo: (229) [user] expand_eval('False', _311640)
Call: (230) [system] 'False'=_311640
Exit: (230) [system] 'False'='False'
^ Exit: (229) [user] expand_eval('False', 'False')
Call: (229) [apply] apply:maplist_([], _311642, user:expand_eval)
Unify: (229) [apply] apply:maplist_([], [], user:expand_eval)
Exit: (229) [apply] apply:maplist_([], [], user:expand_eval)
Exit: (228) [apply] apply:maplist_(['False'], ['False'], user:expand_eval)
Exit: (227) [apply] apply:maplist_([[memq, apple, [list, [pear, banana, prune]]], 'False'], [[memq, apple, [list, [pear, banana, prune]]], 'False'], user:expand_eval)
^ Exit: (226) [apply] apply:maplist(user:expand_eval, [[memq, apple, [list, [pear, banana, prune]]], 'False'], [[memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Exit: (225) [user] expand_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'])
^ Exit: (224) [system] once(user:expand_eval([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']))
Call: (224) [system] [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']\==[assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False']
^ Redo: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Call: (224) [user] is_progn(assertEqual)
^ Unify: (224) [user] is_progn(assertEqual)
Call: (225) [system] var(assertEqual)
^ Redo: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Unify: (223) [user] eval_20(=, _84644, 499, '&self', [assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _141132)
^ Call: (224) [user] loonit_assert_source_tf_empty([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _334018, _334020, (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020)), equal_enough_for_test(_334018, _334020), _141132)
^ Unify: (224) [user] loonit_assert_source_tf_empty([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], _334018, _334020, (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020)), equal_enough_for_test(_334018, _334020), _141132)
^ Call: (225) [user] loonit_assert_source_tf([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020)), equal_enough_for_test(_334018, _334020), _335950)
^ Unify: (225) [user] loonit_assert_source_tf([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020)), equal_enough_for_test(_334018, _334020), _335950)
Call: (226) [system] fail
^ Redo: (225) [user] loonit_assert_source_tf([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020)), equal_enough_for_test(_334018, _334020), _335950)
^ Unify: (225) [user] loonit_assert_source_tf([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020)), equal_enough_for_test(_334018, _334020), _335950)
Call: (226) [system] copy_term((findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020)), _340612)
Exit: (226) [system] copy_term((findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020)), (findall_eval(=, _341554, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _341562), findall_eval(=, _341568, 499, '&self', 'False', _341576)))
^ Call: (226) [user] reset_eval_num
^ Unify: (226) [user] reset_eval_num
Call: (227) [$syspreds] flag(eval_num, _344414, 0)
Unify: (227) [$syspreds] flag(eval_num, _345346, 0)
Call: (228) [system] _346202==0
Redo: (227) [$syspreds] flag(eval_num, _347208, 0)
Unify: (227) [$syspreds] flag(eval_num, _348140, 0)
^ Call: (228) [$syspreds] with_mutex('$flag', update_flag(eval_num, _349000, 0))
Call: (230) [$syspreds] update_flag(eval_num, _349000, 0)
Unify: (230) [$syspreds] update_flag(eval_num, _349000, 0)
Call: (231) [system] get_flag(eval_num, _349000)
Exit: (231) [system] get_flag(eval_num, 1)
Call: (231) [system] atom(0)
Redo: (230) [$syspreds] update_flag(eval_num, 1, 0)
Call: (231) [system] set_flag(eval_num, 0)
Exit: (231) [system] set_flag(eval_num, 0)
Exit: (230) [$syspreds] update_flag(eval_num, 1, 0)
^ Exit: (228) [$syspreds] with_mutex('$flag', update_flag(eval_num, 1, 0))
Exit: (227) [$syspreds] flag(eval_num, 1, 0)
Call: (227) [$syspreds] flag(trace_output_len, _360244, 0)
Unify: (227) [$syspreds] flag(trace_output_len, _361176, 0)
Call: (228) [system] _362032==0
Redo: (227) [$syspreds] flag(trace_output_len, _363038, 0)
Unify: (227) [$syspreds] flag(trace_output_len, _363970, 0)
^ Call: (228) [$syspreds] with_mutex('$flag', update_flag(trace_output_len, _364830, 0))
Call: (230) [$syspreds] update_flag(trace_output_len, _364830, 0)
Unify: (230) [$syspreds] update_flag(trace_output_len, _364830, 0)
Call: (231) [system] get_flag(trace_output_len, _364830)
Exit: (231) [system] get_flag(trace_output_len, 0)
Call: (231) [system] atom(0)
Redo: (230) [$syspreds] update_flag(trace_output_len, 0, 0)
Call: (231) [system] set_flag(trace_output_len, 0)
Exit: (231) [system] set_flag(trace_output_len, 0)
Exit: (230) [$syspreds] update_flag(trace_output_len, 0, 0)
^ Exit: (228) [$syspreds] with_mutex('$flag', update_flag(trace_output_len, 0, 0))
Exit: (227) [$syspreds] flag(trace_output_len, 0, 0)
^ Exit: (226) [user] reset_eval_num
^ Call: (226) [user] call_cleanup(loonit_asserts([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020)), (as_tf(notrace(equal_enough_for_test(_334018, _334020)), _335950), !, ignore((once((_335950='True', trace_on_pass;_335950='False', trace_on_fail)), with_debug(eval_args, time_eval('Trace', (findall_eval(=, _341554, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _341562), findall_eval(=, _341568, 499, '&self', 'False', _341576))))))))
^ Unify: (226) [system] call_cleanup(user:loonit_asserts([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020)), user:(as_tf(notrace(equal_enough_for_test(_334018, _334020)), _335950), !, ignore((once((_335950='True', trace_on_pass;_335950='False', trace_on_fail)), with_debug(eval_args, time_eval('Trace', (findall_eval(=, _341554, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _341562), findall_eval(=, _341568, 499, '&self', 'False', _341576))))))))
^ Call: (227) [user] loonit_asserts([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020))
^ Unify: (227) [user] loonit_asserts([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020))
^ Call: (228) [user] ensure_increments(loonit_asserts0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020)))
^ Unify: (228) [user] ensure_increments(loonit_asserts0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020)))
^ Call: (229) [user] setup_call_cleanup(get_pass_fail(_382608, _382610, _382612), loonit_asserts0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020)), (get_pass_fail(_382622, _382624, _382626), if_t(_382626==_382612, flag(loonit_failure, _382644, _382644+1))))
^ Unify: (229) [system] setup_call_cleanup(user:get_pass_fail(_382608, _382610, _382612), user:loonit_asserts0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020)), user:(get_pass_fail(_382622, _382624, _382626), if_t(_382626==_382612, flag(loonit_failure, _382644, _382644+1))))
^ Call: (230) [system] sig_atomic(user:get_pass_fail(_382608, _382610, _382612))
^ Call: (232) [user] get_pass_fail(_382608, _382610, _382612)
^ Unify: (232) [user] get_pass_fail(_382608, _382610, _382612)
Call: (233) [$syspreds] flag(loonit_success, _382608, _382608)
Unify: (233) [$syspreds] flag(loonit_success, _382608, _382608)
Call: (234) [system] _382608==_382608
Exit: (234) [system] _382608==_382608
Call: (234) [system] get_flag(loonit_success, _382608)
Exit: (234) [system] get_flag(loonit_success, 0)
Exit: (233) [$syspreds] flag(loonit_success, 0, 0)
Call: (233) [$syspreds] flag(loonit_failure, _382610, _382610)
Unify: (233) [$syspreds] flag(loonit_failure, _382610, _382610)
Call: (234) [system] _382610==_382610
Exit: (234) [system] _382610==_382610
Call: (234) [system] get_flag(loonit_failure, _382610)
Exit: (234) [system] get_flag(loonit_failure, 0)
Exit: (233) [$syspreds] flag(loonit_failure, 0, 0)
Call: (233) [system] _382612 is 0+0
Exit: (233) [system] 0 is 0+0
^ Exit: (232) [user] get_pass_fail(0, 0, 0)
^ Exit: (230) [system] sig_atomic(user:get_pass_fail(0, 0, 0))
^ Call: (230) [user] loonit_asserts0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020))
^ Unify: (230) [user] loonit_asserts0([assertEqual, [memq, apple, [list, [pear, banana, prune]]], 'False'], time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), equal_enough_for_test(_334018, _334020))
Call: (231) [$syspreds] flag(loonit_test_number, _405946, _405946+1)
Unify: (231) [$syspreds] flag(loonit_test_number, _405946, _405946+1)
Call: (232) [system] _405946==_405946+1
Redo: (231) [$syspreds] flag(loonit_test_number, _405946, _405946+1)
Unify: (231) [$syspreds] flag(loonit_test_number, _405946, _405946+1)
^ Call: (232) [$syspreds] with_mutex('$flag', update_flag(loonit_test_number, _405946, _405946+1))
Call: (234) [$syspreds] update_flag(loonit_test_number, _405946, _405946+1)
Unify: (234) [$syspreds] update_flag(loonit_test_number, _405946, _405946+1)
Call: (235) [system] get_flag(loonit_test_number, _405946)
Exit: (235) [system] get_flag(loonit_test_number, 0)
Call: (235) [system] atom(0+1)
Redo: (234) [$syspreds] update_flag(loonit_test_number, 0, 0+1)
Call: (235) [system] set_flag(loonit_test_number, 1)
Exit: (235) [system] set_flag(loonit_test_number, 1)
Exit: (234) [$syspreds] update_flag(loonit_test_number, 0, 0+1)
^ Exit: (232) [$syspreds] with_mutex('$flag', update_flag(loonit_test_number, 0, 0+1))
Exit: (231) [$syspreds] flag(loonit_test_number, 0, 0+1)
Call: (231) [system] copy_term(time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), _421782)
Exit: (231) [system] copy_term(time_eval('\n; EVAL TEST\n;', (findall_eval(=, _334032, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _334018), findall_eval(=, _334046, 499, '&self', 'False', _334020))), time_eval('\n; EVAL TEST\n;', (findall_eval(=, _422730, 499, '&self', [memq, apple, [list, [pear, banana, prune]]], _422738), findall_eval(=, _422744, 499, '&self', 'False', _422752))))
^ Call: (231) [user] print_current_test
^ Unify: (231) [user] print_current_test
^ Call: (232) [user] loonit_number(_425514)
^ Unify: (232) [user] loonit_number(_425514)
Call: (233) [$syspreds] flag(loonit_test_number, _425514, _425514)
Unify: (233) [$syspreds] flag(loonit_test_number, _425514, _425514)
Call: (234) [system] _425514==_425514
Exit: (234) [system] _425514==_425514
Call: (234) [system] get_flag(loonit_test_number, _425514)
Exit: (234) [system] get_flag(loonit_test_number, 1)
Exit: (233) [$syspreds] flag(loonit_test_number, 1, 1)
Call: (233) [system] 1>0
Exit: (233) [system] 1>0
^ Exit: (232) [user] loonit_number(1)
^ Call: (232) [user] get_test_name(1, _436652)
^ Unify: (232) [user] get_test_name(1, _436652)
Call: (233) [system] nb_current(loading_file, _438510)
Exit: (233) [system] nb_current(loading_file, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (233) [system] P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'\==[]
Exit: (233) [system] P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta'\==[]
^ Call: (233) [user] make_test_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1, _436652)
^ Unify: (233) [user] make_test_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', 1, _436652)
^ Call: (234) [user] ensure_basename(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _463588)
^ Unify: (234) [user] ensure_basename(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (235) [files_ex] files_ex:directory_file_path('.', _477222, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Unify: (235) [files_ex] files_ex:directory_file_path('.', _482054, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (236) [system] nonvar('.')
Exit: (236) [system] nonvar('.')
Call: (236) [system] nonvar(_488658)
Fail: (236) [system] nonvar(_488658)
Redo: (235) [files_ex] files_ex:directory_file_path('.', _490584, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Unify: (235) [files_ex] files_ex:directory_file_path('.', _495416, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (236) [system] nonvar(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (236) [system] nonvar(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (236) [system] nonvar('.')
Exit: (236) [system] nonvar('.')
Call: (236) [system] ('.')==('.')
Exit: (236) [system] ('.')==('.')
Call: (236) [system] is_absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (236) [system] is_absolute_file_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (236) [system] sub_atom('.', _523248, _523250, 0, /)
Fail: (236) [system] sub_atom('.', _5974, _5976, 0, /)
Redo: (235) [files_ex] files_ex:directory_file_path('.', _6892, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (236) [system] atom_concat('.', /, _11648)
Exit: (236) [system] atom_concat('.', /, ./)
Call: (236) [system] atom_concat(./, _13514, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Fail: (236) [system] atom_concat(./, _13514, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Fail: (235) [files_ex] files_ex:directory_file_path('.', _23256, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Redo: (234) [user] ensure_basename(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
^ Exit: (234) [user] ensure_basename(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (234) [system] file_base_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', _45468)
Exit: (234) [system] file_base_name(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta', P;HTML|'chapter_2_3.metta')
Call: (234) [files_ex] files_ex:directory_file_path(_58984, P;HTML|'chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Unify: (234) [files_ex] files_ex:directory_file_path(_58984, P;HTML|'chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (235) [system] nonvar(_58984)
Fail: (235) [system] nonvar(_58984)
Redo: (234) [files_ex] files_ex:directory_file_path(_58984, P;HTML|'chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Unify: (234) [files_ex] files_ex:directory_file_path(_58984, P;HTML|'chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (235) [system] nonvar(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (235) [system] nonvar(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (235) [system] nonvar(_58984)
Fail: (235) [system] nonvar(_58984)
Redo: (234) [files_ex] files_ex:directory_file_path(_58984, P;HTML|'chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (235) [system] nonvar(P;HTML|'chapter_2_3.metta')
Exit: (235) [system] nonvar(P;HTML|'chapter_2_3.metta')
Call: (235) [system] atom_concat(_125344, P;HTML|'chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Exit: (235) [system] atom_concat('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/', P;HTML|'chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (235) [files_ex] files_ex:strip_trailing_slash('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/', _58984)
Unify: (235) [files_ex] files_ex:strip_trailing_slash('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/', _58984)
Call: (236) [system] atom_concat(_144582, /, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/')
Exit: (236) [system] atom_concat('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book', /, '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/')
Call: (236) [system] '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book'\==''
Exit: (236) [system] '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book'\==''
Call: (236) [system] _58984='/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book'
Exit: (236) [system] '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book'='/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book'
Exit: (235) [files_ex] files_ex:strip_trailing_slash('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/', '/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book')
Exit: (234) [files_ex] files_ex:directory_file_path('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book', P;HTML|'chapter_2_3.metta', P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book/chapter_2_3.metta')
Call: (234) [system] file_base_name('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book', _159778)
Exit: (234) [system] file_base_name('/home/runner/work/metta-wam/metta-wam/tests/extended_compat/metta-examples/SICP_book', 'SICP_book')
Call: (234) [system] file_name_extension(_161636, _161714, P;HTML|'chapter_2_3.metta')
Exit: (234) [system] file_name_extension(chapter_2_3, metta, P;HTML|'chapter_2_3.metta')
Call: (234) [system] string_upper('SICP_book', _171218)
Exit: (234) [system] string_upper('SICP_book', "SICP_BOOK")
Call: (234) [system] string_upper(chapter_2_3, _173084)
Exit: (234) [system] string_upper(chapter_2_3, "CHAPTER_2_3")
^ Call: (234) [user] string_replace("CHAPTER_2_3", "_", "-", _174962)
^ Unify: (234) [user] string_replace("CHAPTER_2_3", "_", "-", _174962)
^ Call: (235) [user] symbolic_list_concat(_176836, "_", "CHAPTER_2_3")
^ Unify: (235) [user] symbolic_list_concat(_176836, "_", "CHAPTER_2_3")
Call: (236) [system] atomic_list_concat(_176836, "_", "CHAPTER_2_3")
Exit: (236) [system] atomic_list_concat(['CHAPTER', '2', '3'], "_", "CHAPTER_2_3")
^ Exit: (235) [user] symbolic_list_concat(['CHAPTER', '2', '3'], "_", "CHAPTER_2_3")
^ Call: (235) [user] symbolic_list_concat(['CHAPTER', '2', '3'], "-", _174962)
^ Unify: (235) [user] symbolic_list_concat(['CHAPTER', '2', '3'], "-", _174962)
Call: (236) [system] atomic_list_concat(['CHAPTER', '2', '3'], "-", _174962)
Exit: (236) [system] atomic_list_concat(['CHAPTER', '2', '3'], "-", 'CHAPTER-2-3')
^ Exit: (235) [user] symbolic_list_concat(['CHAPTER', '2', '3'], "-", 'CHAPTER-2-3')
^ Exit: (234) [user] string_replace("CHAPTER_2_3", "_", "-", 'CHAPTER-2-3')
^ Call: (234) [user] string_replace("SICP_BOOK", "_", "-", _187124)
^ Unify: (234) [user] string_replace("SICP_BOOK", "_", "-", _187124)
^ Call: (235) [user] symbolic_list_concat(_188998, "_", "SICP_BOOK")
^ Unify: (235) [user] symbolic_list_concat(_188998, "_", "SICP_BOOK")
Call: (236) [system] atomic_list_concat(_188998, "_", "SICP_BOOK")
Exit: (236) [system] atomic_list_concat(['SICP', 'BOOK'], "_", "SICP_BOOK")
^ Exit: (235) [user] symbolic_list_concat(['SICP', 'BOOK'], "_", "SICP_BOOK")
^ Call: (235) [user] symbolic_list_concat(['SICP', 'BOOK'], "-", _187124)
^ Unify: (235) [user] symbolic_list_concat(['SICP', 'BOOK'], "-", _187124)
Call: (236) [system] atomic_list_concat(['SICP', 'BOOK'], "-", _187124)
Exit: (236) [system] atomic_list_concat(['SICP', 'BOOK'], "-", 'SICP-BOOK')
^ Exit: (235) [user] symbolic_list_concat(['SICP', 'BOOK'], "-", 'SICP-BOOK')
^ Exit: (234) [user] string_replace("SICP_BOOK", "_", "-", 'SICP-BOOK')
^ Call: (234) [user] bugger:wots(_199268, format('~`0t~d~2|', [1]))
^ Unify: (234) [bugger] bugger:wots(_199268, user:format('~`0t~d~2|', [1]))
Call: (235) [system] nb_current('$wots_stack', _201156)
Fail: (235) [system] nb_current('$wots_stack', _201156)
^ Redo: (234) [bugger] bugger:wots(_199268, user:format('~`0t~d~2|', [1]))
Call: (235) [system] _203948=[]
Exit: (235) [system] []=[]
Call: (235) [system] current_output(_205806)
Exit: (235) [system] current_output((0x7fce529ca120))
^ Call: (235) [bugger] locally_each:locally(nb_setval('$wots_stack', [(0x7fce529ca120)]), woto(string(_199268), user:format('~`0t~d~2|', [1])))
^ Unify: (235) [locally_each] locally_each:locally(bugger:nb_setval('$wots_stack', [(0x7fce529ca120)]), bugger:woto(string(_199268), user:format('~`0t~d~2|', [1])))
^ Call: (236) [locally_each] locally_each:wtl(bugger, nb_setval('$wots_stack', [(0x7fce529ca120)]), bugger:woto(string(_199268), user:format('~`0t~d~2|', [1])), bugger:each_call_cleanup)
^ Unify: (236) [locally_each] locally_each:wtl(bugger, nb_setval('$wots_stack', [(0x7fce529ca120)]), bugger:woto(string(_199268), user:format('~`0t~d~2|', [1])), bugger:each_call_cleanup)
Call: (237) [system] nb_current('$wots_stack', _211464)
Fail: (237) [system] nb_current('$wots_stack', _211464)
^ Redo: (236) [locally_each] locally_each:wtl(bugger, nb_setval('$wots_stack', [(0x7fce529ca120)]), bugger:woto(string(_199268), user:format('~`0t~d~2|', [1])), bugger:each_call_cleanup)
^ Call: (237) [bugger] call_cleanup((nb_setval('$wots_stack', [(0x7fce529ca120)]), bugger:woto(string(_199268), user:format('~`0t~d~2|', [1])), nb_delete('$wots_stack')), nb_delete('$wots_stack'))
^ Unify: (237) [system] call_cleanup(bugger:(nb_setval('$wots_stack', [(0x7fce529ca120)]), bugger:woto(string(_199268), user:format('~`0t~d~2|', [1])), nb_delete('$wots_stack')), bugger:nb_delete('$wots_stack'))
Call: (239) [$syspreds] nb_setval('$wots_stack', [(0x7fce529ca120)])
Unify: (239) [$syspreds] nb_setval('$wots_stack', [(0x7fce529ca120)])
Call: (240) [system] duplicate_term([(0x7fce529ca120)], _218038)
Exit: (240) [system] duplicate_term([(0x7fce529ca120)], [(0x7fce529ca120)])
Call: (240) [system] nb_linkval('$wots_stack', [(0x7fce529ca120)])
Exit: (240) [system] nb_linkval('$wots_stack', [(0x7fce529ca120)])
Exit: (239) [$syspreds] nb_setval('$wots_stack', [(0x7fce529ca120)])
^ Call: (239) [bugger] bugger:woto(string(_199268), user:format('~`0t~d~2|', [1]))
^ Unify: (239) [bugger] bugger:woto(string(_199268), user:format('~`0t~d~2|', [1]))
^ Call: (240) [bugger] once((use_tty(string(_199268), _224566);_224566=true))
^ Unify: (240) [system] once(bugger:(use_tty(string(_199268), _224566);_224566=true))
^ Call: (242) [bugger] bugger:use_tty(string(_199268), _224566)
^ Unify: (242) [bugger] bugger:use_tty(string(_199268), _224566)
Call: (243) [system] compound(string(_199268))
Exit: (243) [system] compound(string(_199268))
^ Unify: (242) [bugger] bugger:use_tty(string(_199268), _224566)
Call: (243) [system] stream_property(current_output, tty(_224566))
Unify: (243) [system] stream_property(current_output, tty(_224566))
Call: (244) [system] nonvar(current_output)
Exit: (244) [system] nonvar(current_output)
Call: (244) [system] nonvar(tty(_224566))
Exit: (244) [system] nonvar(tty(_224566))
Exit: (243) [system] stream_property(current_output, tty(true))
^ Exit: (242) [bugger] bugger:use_tty(string(_199268), true)
^ Exit: (240) [system] once(bugger:(use_tty(string(_199268), true);true=true))
^ Call: (240) [bugger] bugger:get_stream_setup(_239438)
^ Unify: (240) [bugger] bugger:get_stream_setup(true)
^ Exit: (240) [bugger] bugger:get_stream_setup(true)
^ Call: (240) [bugger] bugger:woto_tty(string(_199268), true, (true, user:format('~`0t~d~2|', [1])))
^ Unify: (240) [bugger] bugger:woto_tty(string(_199268), true, bugger:(true, user:format('~`0t~d~2|', [1])))
^ Call: (241) [bugger] bugger:with_output_to_each(string(_199268), (set_stream_ignore(current_output, tty(true)), bugger:(true, user:format('~`0t~d~2|', [1]))))
^ Unify: (241) [bugger] bugger:with_output_to_each(string(_199268), bugger:(set_stream_ignore(current_output, tty(true)), bugger:(true, user:format('~`0t~d~2|', [1]))))
Call: (242) [system] compound(string(_199268))
Exit: (242) [system] compound(string(_199268))
Call: (242) [system] compound_name_arity(string(_199268), _247932, 0)
Fail: (242) [system] compound_name_arity(string(_199268), _248864, 0)
^ Redo: (241) [bugger] bugger:with_output_to_each(string(_199268), bugger:(set_stream_ignore(current_output, tty(true)), bugger:(true, user:format('~`0t~d~2|', [1]))))
Call: (242) [system] string(_199268)=..[_250656, _250662]
Exit: (242) [system] string(_199268)=..[string, _199268]
^ Call: (242) [bugger] bugger:stream_u_type(string)
^ Unify: (242) [bugger] bugger:stream_u_type(string)
^ Exit: (242) [bugger] bugger:stream_u_type(string)
Call: (242) [system] current_output(_255312)
Exit: (242) [system] current_output((0x7fce529ca120))
Call: (242) [system] _257162=set_output_safe((0x7fce529ca120))
Exit: (242) [system] set_output_safe((0x7fce529ca120))=set_output_safe((0x7fce529ca120))
Call: (242) [system] _259024=mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))
Exit: (242) [system] mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))=mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))
Call: (242) [system] _260894=mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)
Exit: (242) [system] mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)=mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)
^ Call: (242) [bugger] call_cleanup(trusted_redo_call_cleanup(mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))), (bugger:(set_stream_ignore(current_output, tty(true)), bugger:(true, user:format('~`0t~d~2|', [1]))), mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268))
^ Unify: (242) [system] call_cleanup(bugger:trusted_redo_call_cleanup(mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))), (bugger:(set_stream_ignore(current_output, tty(true)), bugger:(true, user:format('~`0t~d~2|', [1]))), mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268))
Call: (244) [system] _264674=mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268))
Exit: (244) [system] mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268))=mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268))
^ Call: (244) [each_call_cleanup] setup_call_cleanup(bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))), ((bugger:(bugger:(set_stream_ignore(current_output, tty(true)), bugger:(true, user:format('~`0t~d~2|', [1]))), mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), deterministic(_266550)), (notrace(_266550==true)->!;mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), notrace(nb_setarg(1, mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), true));bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))), notrace(nb_setarg(1, mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268))), notrace(fail))), mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)))
^ Unify: (244) [system] setup_call_cleanup(bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))), each_call_cleanup:((bugger:(bugger:(set_stream_ignore(current_output, tty(true)), bugger:(true, user:format('~`0t~d~2|', [1]))), mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), deterministic(_266550)), (notrace(_266550==true)->!;mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), notrace(nb_setarg(1, mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), true));bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))), notrace(nb_setarg(1, mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)), bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268))), notrace(fail))), each_call_cleanup:mquietly(bugger:mfs_end(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _199268)))
^ Call: (245) [system] sig_atomic(bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120)))))
^ Call: (247) [bugger] bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))))
^ Unify: (247) [bugger] bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))))
Call: (248) [system] compound(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))))
Exit: (248) [system] compound(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))))
^ Unify: (247) [bugger] bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))))
Call: (248) [system] arg(2, mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _274082)
Exit: (248) [system] arg(2, mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), string)
Call: (248) [system] arg(3, mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _275948)
Exit: (248) [system] arg(3, mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _259032)
Call: (248) [system] arg(4, mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), _277814)
Exit: (248) [system] arg(4, mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), set_output_safe)
Call: (248) [system] _279680=mfs(_279684, string, _279688, set_output_safe, _279692)
Exit: (248) [system] mfs(_279684, string, _279688, set_output_safe, _279692)=mfs(_279684, string, _279688, set_output_safe, _279692)
Call: (248) [system] is_stream(_259032)
Fail: (248) [system] is_stream(_259032)
^ Redo: (247) [bugger] bugger:mfs_start(mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))))
^ Call: (248) [bugger] bugger:new_mfs(mfs(_279684, string, _279688, set_output_safe, _279692))
^ Unify: (248) [bugger] bugger:new_mfs(mfs(_279684, string, _279688, set_output_safe, _279692))
Call: (249) [memory_file] memory_file:new_memory_file(_279684)
Exit: (249) [memory_file] memory_file:new_memory_file((0x55643092e380))
Call: (249) [memory_file] memory_file:open_memory_file((0x55643092e380), write, _279688, [free_on_close(true)])
Exit: (249) [memory_file] memory_file:open_memory_file((0x55643092e380), write, (0x556430960b20), [free_on_close(true)])
^ Exit: (248) [bugger] bugger:new_mfs(mfs((0x55643092e380), string, (0x556430960b20), set_output_safe, _279692))
Call: (248) [system] nb_setarg(1, mfs(_259028, string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), (0x55643092e380))
Exit: (248) [system] nb_setarg(1, mfs((0x55643092e380), string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), (0x55643092e380))
Call: (248) [system] nb_setarg(3, mfs((0x55643092e380), string, _259032, set_output_safe, set_output_safe((0x7fce529ca120))), (0x556430960b20))
Exit: (248) [system] nb_setarg(3, mfs((0x55643092e380), string, (0x556430960b20), set_output_safe, set_output_safe((0x7fce529ca120))), (0x556430960b20))
^ Call: (248) [bugger] bugger:set_output_safe((0x556430960b20))
^ Unify: (248) [bugger] bugger:set_output_safe((0x556430960b20))
Call: (250) [system] set_output((0x556430960b20))
Exit: (250) [system] set_output((0x556430960b20))
^ Exit: (248) [bugger] bugger:set_output_safe((0x556430960b20))
^ Exit: (247) [bugger] bugger:mfs_start(mfs((0x55643092e380), string, (0x556430960b20), set_output_safe, set_output_safe((0x7fce529ca120))))
^ Exit: (245) [system] sig_atomic(bugger:mfs_start(mfs((0x55643092e380), string, (0x556430960b20), set_output_safe, set_output_safe((0x7fce529ca120)))))
^ Call: (246) [bugger] bugger:set_stream_ignore(current_output, tty(true))
^ Unify: (246) [bugger] bugger:set_stream_ignore(current_output, tty(true))
^ Call: (247) [bugger] ignore(notrace(catch(set_stream(current_output, tty(true)), _302966, writeln(user_error, _302966=set_stream(current_output, tty(true))))))
^ Unify: (247) [system] ignore(bugger:notrace(catch(set_stream(current_output, tty(true)), _302966, writeln(user_error, _302966=set_stream(current_output, tty(true))))))
^ Call: (249) [system] setup_call_cleanup('$notrace'(_304868, _304870), once(bugger:catch(set_stream(current_output, tty(true)), _302966, writeln(user_error, _302966=set_stream(current_output, tty(true))))), '$restore_trace'(_304868, _304870))
^ Unify: (249) [system] setup_call_cleanup(system:'$notrace'(_304868, _304870), system:once(bugger:catch(set_stream(current_output, tty(true)), _302966, writeln(user_error, _302966=set_stream(current_output, tty(true))))), system:'$restore_trace'(_304868, _304870))
^ Call: (250) [system] sig_atomic(system:'$notrace'(_304868, _304870))
^ Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(bugger:catch(set_stream(current_output, tty(true)), _302966, writeln(user_error, _302966=set_stream(current_output, tty(true))))), system:'$restore_trace'(3, -1))
^ Exit: (247) [system] ignore(bugger:notrace(catch(set_stream(current_output, tty(true)), _302966, writeln(user_error, _302966=set_stream(current_output, tty(true))))))
^ Exit: (246) [bugger] bugger:set_stream_ignore(current_output, tty(true))
^ Call: (246) [user] format('~`0t~d~2|', [1])
^ Exit: (246) [user] format('~`0t~d~2|', [1])
^ Call: (246) [bugger] bugger:mfs_end(mfs((0x55643092e380), string, (0x556430960b20), set_output_safe, set_output_safe((0x7fce529ca120))), _199268)
^ Unify: (246) [bugger] bugger:mfs_end(mfs((0x55643092e380), string, (0x556430960b20), set_output_safe, set_output_safe((0x7fce529ca120))), _199268)
^ Call: (247) [bugger] ignore((is_stream((0x556430960b20)), close((0x556430960b20)), mem_handle_to_substring((0x55643092e380), _314286), substring_to_type(_314286, string, _199268)))
^ Unify: (247) [system] ignore(bugger:(is_stream((0x556430960b20)), close((0x556430960b20)), mem_handle_to_substring((0x55643092e380), _314286), substring_to_type(_314286, string, _199268)))
Call: (249) [system] is_stream((0x556430960b20))
Exit: (249) [system] is_stream((0x556430960b20))
Call: (249) [system] close((0x556430960b20))
Exit: (249) [system] close((0x556430960b20))
^ Call: (249) [bugger] bugger:mem_handle_to_substring((0x55643092e380), _314286)
^ Unify: (249) [bugger] bugger:mem_handle_to_substring((0x55643092e380), _314286)
Call: (250) [memory_file] memory_file:memory_file_to_string((0x55643092e380), _314286)
Exit: (250) [memory_file] memory_file:memory_file_to_string((0x55643092e380), "01")
^ Exit: (249) [bugger] bugger:mem_handle_to_substring((0x55643092e380), "01")
^ Call: (249) [bugger] bugger:substring_to_type("01", string, _199268)
^ Unify: (249) [bugger] bugger:substring_to_type("01", string, "01")
^ Exit: (249) [bugger] bugger:substring_to_type("01", string, "01")
^ Exit: (247) [system] ignore(bugger:(is_stream((0x556430960b20)), close((0x556430960b20)), mem_handle_to_substring(